EP3321261A1 - Hedgehog antagonists having zinc binding moieties - Google Patents
Hedgehog antagonists having zinc binding moieties Download PDFInfo
- Publication number
- EP3321261A1 EP3321261A1 EP17203156.9A EP17203156A EP3321261A1 EP 3321261 A1 EP3321261 A1 EP 3321261A1 EP 17203156 A EP17203156 A EP 17203156A EP 3321261 A1 EP3321261 A1 EP 3321261A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compound
- substituted
- mmol
- alkyl
- aryl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/56—Amides
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
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- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4418—Non condensed pyridines; Hydrogenated derivatives thereof having a carbocyclic group directly attached to the heterocyclic ring, e.g. cyproheptadine
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
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- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
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- C07D213/40—Acylated substituent nitrogen atom
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/65—One oxygen atom attached in position 3 or 5
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/86—Hydrazides; Thio or imino analogues thereof
- C07D213/87—Hydrazides; Thio or imino analogues thereof in position 3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/18—Benzimidazoles; Hydrogenated benzimidazoles with aryl radicals directly attached in position 2
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
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- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/26—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
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- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Definitions
- Hedgehog (Hh) protein was first identified in Drosophila melanogaster as a segment-polarity gene involved in embryo patterning ( Nusslein-Voihard et al., Roux. Arch. Dev. Biol., 193: 267-282 (1984 )). Three orthologs of Drosophila hedgehog (Sonic, Desert and Indian) were later found to occur in all vertebrates, including fish, birds and mammals.
- Desert hedgehog (DHh) is expressed principally in the testes, both in mouse embryonic development and in the adult rodent and human; Indian hedgehog (IHh) is involved in bone development during embryogenesis and in bone formation in the adult; and, Sonic hedgehog (SHh) is expressed at high levels in the notochord and floor plate of developing vertebrate embryos.
- SHh plays a key role in neuronal tube patterning ( Echelard et al., Cell, 75:1417-1430 (1993 ); Ericson et al., Cell, 81: 747-56 (1995 ); Marti et al., Nature, 375: 322-5 (1995 ); Krauss et al., Cell, 75: 1432-44 (1993 ); Riddle et al., Cell, 75: 1401-16 (1993 ); Roelink et al., Cell, 81: 445-55 (1995 ); Hynes et al., Neuron, 19: 15-26 (1997 )).
- Hh also plays a role in the development of limbs ( Krauss et al., Cell, 75: 143-144 (1993 ); Laufer et al., Cell, 79: 993-1003 (1994 )), somites ( Fan and Tessier-Lavigne, Cell, 79: 1175-86 (1994 ); Johnson et al., Cell, 79: 1165-73 (1994 )), lungs ( Bellusci et al., Develop., 124: 53-63 (1997 ) and skin ( Oro et al., Science, 276: 817-21 (1997 )).
- IHh and DHh are involved in bone, gut and germinal cell development ( Apelqvist et al., Curr. Biol., 7: 80 1-4 (1997 ); Bellusci et al., Development, 124: 53-63 (1997 ); Bitgood et al., Curr. Biol., 6: 298-304 (1996 ); Roberts et al., Development, 121: 3163-74 (1995 )).
- Human SHh is synthesized as a 45 kDa precursor protein which is autocatalytically cleaved to yield a 20 kDa N-terminal fragment that is responsible for normal hedgehog signaling activity; and a 25 kDa C- terminal fragment that is responsible for autoprocessing activity in which the N-terminal fragment is conjugated to a cholesterol moiety ( Lee, J.J., et al. (1994) Science, 266: 1528- 1536 ; Bumcrot, D.A., et al. (1995), Mol. Cell Biol., 15 : 2294-2303 ; Porter, J.A., et al. (1995) Nature, 374: 363-366 ).
- the N-terminal fragment consists of amino acid residues 24-197 of the full-length precursor sequence which remains membrane- associated through the cholesterol at its C-terminus ( Porter, J.A., et al. (1996) Science, 274: 255-258 ; Porter, J.A., et al. (1995) Cell, 86(2): 1-34 ). Cholesterol conjugation is responsible for the tissue localization of the hedgehog signal.
- the Hh signal is thought to be relayed by the 12 transmembrane domain protein Patched (Ptc) ( Hooper and Scott, Cell, 59: 751-65 (1989 ); Nakano et al., Nature, 341: 508-13 (1989 )) and the G- protein-coupled-like receptor Smoothened (Smo) ( Alcedo et al., Cell, 86(22): 1-232 (1996 ); van den Heuvel and Ingham, Nature, 382: 547-551 (1996 )).
- Ptc transmembrane domain protein Patched
- Smo G- protein-coupled-like receptor Smoothened
- the signaling cascade initiated by Smo results in activation of Gli transcription factors that translocate into the nucleus where they control transcription of target genes.
- Gli has been shown to influence transcription of Hh pathway inhibitors such as Ptc and Hip 1 in a negative feedback loop indicating that tight control of Hh pathway activity is required for proper cellular differentiation and organ formation.
- Hedgehog pathway signaling has been implicated in tumorigenesis when reactivated in adult tissues through sporadic mutations or other mechanisms.
- Type 2 cancers rely on an autocrine model in which tumor cells themselves produce and respond to Hh ligand.
- Type 3 is a paracrine model in which tumor cells produce Hh ligand and surrounding stromal cells respond by producing additional growth factors to support tumor growth or survival, for example, IGF (Insulin-Like Growth Factor) and VEGF (Vascular Endothelial Growth Factor) ( Rubin, L.L. and de Sauvage, F.J. Nature Rev. Drug Discovery, 5: 1026-1033 (2006 )).
- IGF Insulin-Like Growth Factor
- VEGF Vascular Endothelial Growth Factor
- Dysfunctional Ptc gene mutations have also been associated with a large percentage of sporadic basal cell carcinoma tumors ( Chidambaram et al., Cancer Research, 56: 4599-601 (1996 ); Gailani et al., Nature Genet., 14: 78- 81 (1996 ); Haim et al., Cell, 85: 841-51 (1996 ); Jolmson et al., Science, 272: 1668-71 (1996 ); Unden et al., Cancer Res., 56: 4562-5 ; Wickingetal., Am. J. Hum. Genet., 60: 21-6 (1997 )). Loss of Ptc function is thought to cause an uncontrolled Smo signaling in basal cell carcinoma.
- Hedgehog signaling inhibitors cyclopamine, a natural alkaloid that has been shown to arrest cell cycle at G0-G1 and to induce apoptosis in SCLC.
- a number of synthetic small molecule Hedgehog pathway inhibitors are currently under development ( Trembley, M.R. et al., Expert Opin. Ther. Patents, 19(8):1039-56 (2009 )).
- Trembley, M.R. et al. Expert Opin. Ther. Patents, 19(8):1039-56 (2009 )
- Histone acetylation is a reversible modification, with deacetylation being catalyzed by a family of enzymes termed histone deacetylases (HDACs).
- HDAC's are represented by 18 genes in humans and are divided into four distinct classes ( J. Mol Biol, 2004, 338(1): 17-31 ).
- class I HDAC's HDAC1-3, and HDAC8 are related to yeast RPD3 HDAC
- class 2 HDAC's HDAC4-7, HDAC9 and HDAC10
- yeast HDAC1 class 4
- class 3 HDAC's a distinct class encompassing the sirtuins
- Csordas (Biochem. J., 1990, 286: 23-38 ) teaches that histones are subject to post-translational acetylation of the ⁇ -amino groups of N-terminal lysine residues, a reaction that is catalyzed by histone acetyl transferase (HAT1).
- HAT1 histone acetyl transferase
- Acetylation neutralizes the positive charge of the lysine side chain, and is thought to impact chromatin structure.
- access of transcription factors to chromatin templates is enhanced by histone hyperacetylation, and enrichment in underacetylated histone H4 has been found in transcriptionally silent regions of the genome ( Taunton et al., Science, 1996, 272:408-411 ).
- transcriptional silencing due to histone modification can lead to oncogenic transformation and cancer.
- HDAC inhibitors Several classes of HDAC inhibitors currently are marketed or under evaluation in clinical trials. Examples include the hydroxamic acid derivatives suberoylanilide hydroxamic acid (SAHA) and Romidepsin, which are marketed, and PXD101, LH-589 and LAQ824, which are currently in clinical development.
- SAHA suberoylanilide hydroxamic acid
- Romidepsin which are marketed
- PXD101, LH-589 and LAQ824 which are currently in clinical development.
- benzamide class of HDAC inhibitors MS-275, MGCD0103 and CI-994 are currently being investigated in clinical trials. Mourne et al. (Abstract #4725, AACR 2005), demonstrate that thiophenyl modification of benzamides significantly enhances HDAC inhibitory activity against HDAC1.
- combination strategies may also be associated with increased costs to patients, as well as decreased patient compliance.
- the present invention relates to hedgehog antagonist compounds having zinc-binding moieties and their use in the treatment of hedgehog and HDAC related diseases and disorders such as cancer and other diseases and disorders characterized by uncontrolled cell proliferation.
- the compounds of the present invention act as HDAC inhibitors by virtue of their ability to bind zinc ions and as inhibitors of the Hedgehog signaling pathway. Combining hedgehog antagonism and HDAC inhibition into a single molecule may provide a synergistic effect in therapeutic applications, and in particular, to the treatment of cancer.
- one aspect of the present invention provides a compound of Formula (I) or Formula (II): or a geometric isomer, enantiomer, diastereomer, racemate, pharmaceutically acceptable salt or prodrug thereof; wherein:
- Another aspect of the invention provides methods of inhibiting hedgehog signaling activity in a cell, by contacting the cell with an effective hedgehog inhibitory amount of a compound of Formula I or Formula II, or a stereoisomer, geometric isomer, tautomer, solvate, metabolite, or pharmaceutically acceptable salt or prodrug thereof.
- Another aspect of the invention provides methods of inhibiting HDAC activity in a cell, by contacting the cell with an effective HDAC inhibitory amount of a compound of Formula I or Formula II, or a stereoisomer, geometric isomer, tautomer, solvate, metabolite, or pharmaceutically acceptable salt or prodrug thereof.
- the present invention provides compounds which are represented by Formula III or Formula IV: where Ring A, K, G, Q, X, B, D, L and E have the meanings given above.
- the compounds of the invention are represented by Formula V or VI: and stereoisomers, geometric isomers, tautomers, pharmaceutically acceptable salts and prodrugs thereof, wherein E, K, L, X, B, G, Q and D have the meanings given above.
- the compounds of the invention are represented by Formula VII or VIII: and stereoisomers, geometric isomers, tautomers, pharmaceutically acceptable salts and prodrugs thereof, wherein E, K, L, X, B, G, Q and D have the meanings given above.
- G and L are each independently substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl, and more preferably G and L are each independently substituted or unsubstituted phenyl or substituted or unsubstituted pyridyl.
- E and Q are each independently substituted or unsubstituted heteroaryl.
- the compounds of the invention are represented by Formula IX or X: and stereoisomers, geometric isomers, tautomers, pharmaceutically acceptable salts and prodrugs thereof, wherein E, K, L, X, B, G, Q and D have the meanings given above.
- G and L are each independently heterocyclyl, preferably heterocycloalkyl.
- the present invention provides compounds which are represented by Formula XI: and stereoisomers, geometric isomers, tautomers, pharmaceutically acceptable salts and prodrugs thereof; wherein
- E is substituted or unsubstituted pyridyl, such as substituted or unsubstituted pyid-2-yl, pyrid-3-yl or pyrid-4-yl, or substituted or unsubstituted benzimidazolyl, such as substituted or unsubstituted benzimidazol-2-yl.
- E is selected from the groups set forth below:
- the group is selected from the groups shown below:
- the present invention provides compounds which are represented by Formula XII: and stereoisomers, geometric isomers, tautomers, pharmaceutically acceptable salts and prodrugs thereof; wherein
- Q is substituted or unsubstituted pyridyl, substituted or unsubstituted pyrimidyl or substituted or unsubstituted benzimidazolyl.
- Q is selected from the groups below, wherein the bond to the benzene ring is denoted by and the bond to X is denoted by
- the group is substituted or unsubstituted phenyl, substituted or unsubstituted pyridyl, such as substituted or unsubstituted pyrid-2-yl, pyrid-3-yl or pyrid-4-yl, or substituted or unsubstituted pyrimidyl, such as pyrimid-2-yl, pyrimid-4-yl or pyrimid-5-yl.
- this group is selected from those set forth below.
- the bivalent B is a direct bond or straight- or branched-, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, arylallcyl, aiylalkenyl, arylalkynyl, heteroarylalkyl, heteroarylalkenyl, heteroarylalkynyl, heterocyclylalkyl, heterocyclylalkenyl, heterocyclylalkynyl, aryl, heteroaryl, heterocyclyl, cycloalkyl, cycloalkenyl, alkylarylalkyl, alkylarylalkenyl, alkylarylalkynyl, alkenylarylalkyl, alkenylarylalkenyl, alkenylarylalkynyl, alkynylarylalkyl, alkynylarylalkenyl, alkynylarylalkenyl
- B is a straight chain alkyl, alkenyl, alkynyl, arylalkyl, arylalkenyl, arylalkynyl, heteroarylalkyl, heteroarylalkenyl, heteroarylalkynyl, heterocyclylalkyl, heterocyclylalkenyl, heterocyclylalkynyl, aryl, heteroaryl, heterocyclyl, cycloalkyl, cycloalkenyl, alkylarylalkyl, alkylarylalkenyl, alkylarylalkynyl, alkenylarylalkyl, alkenylarylalkenyl, alkenylarylalkynyl, alkynylarylalkyl, alkynylarylalkenyl, alkynylarylalkynyl, alkylheteroarylalkyl, alkylheteroarylalkenyl, alkylheteroarylalkenyl, alky
- one or more methylenes can be interrupted or terminated by -O-, -N(R 2 )-, -C(O)-, -C(O)N(R 2 )-, or -C(O)O-.
- the linker B is between 1-24 carbon atoms, preferably 4-24 carbon atoms, preferably 4-18 carbon atoms, more preferably 4-12 carbon atoms, and most preferably about 4-10 carbon atoms.
- B is selected from straight chain C 1 -C 10 alkyl, C 1 -C 10 alkenyl, C 1 -C 10 alkynyl, C 1 -C 10 alkoxy, alkoxyC 1 -C 10 alkoxy, C 1 -C 10 alkylamino, alkoxyC 1 -C 10 alkylamino, C 1 -C 10 alkylcarbonylamino, C 1 -C 10 alkylaminocarbonyl, aryloxyC 1 -C 10 alkoxy, aryloxyC 1 -C 10 alkylamino, aryloxyC 1 -C 10 alkylamino carbonyl, C 1 -C 10 -alkylaminoalkylaminocarbonyl, C 1 -C 10 alkyl(N-alkyl)aminoalkyl-aminocarbonyl, alkylaminoalkylamino, alkylcarbonylaminoalkylamino, alkyl(N-alkyl
- B is a direct bond, aryl, heteroaryl, C 2 -C 10 -alkyl, C 2 -C 10 -alkenyl, aryl-C 2 -C 10 -alkyl, aryl-C 2 -C 10 -alkenyl, aryloxy-C 1 -C 10 -alkyl, heterocyclylheteroaryl, C 1 -C 10 -alkylheterocyclylheteroaryl, or C 1 -C 10 -alkylaminoheteroaryl.
- alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, heterocyclyl and the like can be further substituted.
- the invention further provides methods for the prevention or treatment of hedgehog-related diseases or disorders, and in particular, diseases or disorders involving aberrant proliferation, differentiation or survival of cells.
- the invention further provides for the use of one or more compounds of the invention in the manufacture of a medicament for halting or decreasing diseases involving aberrant proliferation, differentiation, or survival of cells.
- the disease is cancer.
- the invention relates to a method of treating cancer in a subject in need of treatment comprising administering to said subject a therapeutically effective amount of a compound of the invention.
- the invention further provides methods for the prevention or treatment of non-cancer hedgehog-related diseases or disorders, such as psoriasis.
- the compounds of the invention can also be used to treat diseases or disorders associated with aberrant or uncontrolled angiogenesis, including macular degeneration, diabetic retinopathy, retinopathy of prematurity, rheumatoid arthritis and obesity.
- compounds of the invention may be used to down-regulate hair growth.
- the invention further provides a method for treating certain cancers which are resistant to the action of Hedgehog pathway signaling inhibitors alone.
- Such resistance may be characterized by one or more mutations in proteins involved in the Hedgehog signaling cascade above the level of Gli transcription activation.
- the present compounds having HDAC inhibiting activity may nonetheless be useful for treating cancers having increased hedgehog levels by inhibiting the deacetylation of the Gli1 and Gli2 transcription activators.
- cancer refers to any cancer caused by the proliferation of malignant neoplastic cells, such as tumors, neoplasms, carcinomas, sarcomas, leukemias, lymphomas and the like.
- cancers include, but are not limited to, mesothelioma, leukemias and lymphomas such as cutaneous T-cell lymphomas (CTCL), noncutaneous peripheral T-cell lymphomas, lymphomas associated with human T-cell lymphotrophic virus (HTLV) such as adult T-cell leukemia/lymphoma (ATLL), B-cell lymphoma, acute nonlymphocytic leukemias, chronic lymphocytic leukemia, chronic myelogenous leukemia, acute myelogenous leukemia, lymphomas, and multiple myeloma, non-Hodgkin lymphoma, acute lymphatic leukemia (ALL), chronic lymphatic leukemia (CLL), Hodgkin's lymphoma, Burkit
- myelodisplastic syndrome childhood solid tumors such as brain tumors, neuroblastoma, retinoblastoma, Wilms' tumor, bone tumors, and soft-tissue sarcomas, common solid tumors of adults such as head and neck cancers (e.g., oral, laryngeal, nasopharyngeal and esophageal), genitourinary cancers (e.g., prostate, bladder, renal, uterine, ovarian, testicular), lung cancer (e.g., small-cell and non small cell), breast cancer, pancreatic cancer, melanoma and other skin cancers, stomach cancer, brain tumors, tumors related to Gorlin's syndrome (e.g., medulloblastoma, meningioma, etc.), and liver cancer.
- childhood solid tumors such as brain tumors, neuroblastoma, retinoblastoma, Wilms' tumor, bone tumors, and soft-tissue
- Additional exemplary forms of cancer which may be treated by the subject compounds include, but are not limited to, cancer of skeletal or smooth muscle, stomach cancer, cancer of the small intestine, rectum carcinoma, cancer of the salivary gland, endometrial cancer, adrenal cancer, anal cancer, rectal cancer, parathyroid cancer, and pituitary cancer.
- the cancer is associated with aberrant hedgehog signaling, for example, when Patched fails to, or inadequately, represses Smoothened (Ptc loss of function phenotype) and/or when Smoothened is active regardless of Patched repression (Smo gain-of function phenotype) and/or when the Hedgehog ligand is upregulated regardless of patched or smoothened mutational status.
- cancer types include basal cell carcinoma, neuroectodermal tumors, such as medulloblastoma, meningioma, hemangioma, glioblastoma, pancreatic adenocarcinoma, squamous lung carcinoma, small cell lung cancer, non-small cell lung cancer, ovarian cancer, prostate cancer, liver cancer, chondrosarcoma, breast carcinoma, rhabdomyosarcoma, esophageal cancer, stomach cancer, biliary tract cancer, renal carcinoma and thyroid carcinoma.
- compounds of the invention may be useful in the treatment of hematologic tumors such as leukemias, lymphomas and myelomas as listed above.
- cancers include, but are not limited to, labial carcinoma, larynx carcinoma, hypopharynx carcinoma, tongue carcinoma, salivary gland carcinoma, gastric carcinoma, adenocarcinoma, thyroid cancer (medullary and papillary thyroid carcinoma), renal carcinoma, kidney parenchyma carcinoma, cervix carcinoma, uterine corpus carcinoma, endometrium carcinoma, chorion carcinoma, testis carcinoma, urinary carcinoma, melanoma, brain tumors such as glioblastoma, astrocytoma, meningioma, medulloblastoma and peripheral neuroectodermal tumors, gall bladder carcinoma, bronchial carcinoma, multiple myeloma, basalioma, teratoma, retinoblastoma,
- the present invention provides for the use of one or more compounds of the invention in the manufacture of a medicament for the treatment of cancer.
- the present invention includes the use of one or more compounds of the invention in the manufacture of a medicament that prevents further aberrant proliferation, differentiation, or survival of cells.
- compounds of the invention may be useful in preventing tumors from increasing in size or from reaching a metastatic state.
- the subject compounds may be administered to halt the progression or advancement of cancer or to induce tumor apoptosis or to inhibit tumor angiogenesis.
- the instant invention includes use of the subject compounds to prevent a recurrence of cancer.
- This invention further embraces the treatment or prevention of cell proliferative disorders such as hyperplasias, dysplasias and pre-cancerous lesions.
- Dysplasia is the earliest form of pre-cancerous lesion recognizable in a biopsy by a pathologist.
- the subject compounds may be administered for the purpose of preventing said hyperplasias, dysplasias or pre-cancerous lesions from continuing to expand or from becoming cancerous. Examples of pre-cancerous lesions may occur in skin, esophageal tissue, breast and cervical intra-epithelial tissue.
- Combination therapy includes the administration of the subject compounds in further combination with other biologically active ingredients (such as, but not limited to, a second and different antineoplastic agent) and non-drug therapies (such as, but not limited to, surgery or radiation treatment).
- the compounds of the invention can be used in combination with other pharmaceutically active compounds, preferably compounds that are able to enhance the effect of the compounds of the invention.
- the compounds of the invention can be administered simultaneously (as a single preparation or separate preparation) or sequentially to the other drug therapy.
- a combination therapy envisions administration of two or more drugs during a single cycle or course of therapy.
- the subject compounds may be administered in combination with one or more separate agents that modulate protein kinases involved in various disease states or targets downstream thereof.
- kinases may include, but are not limited to: serine/threonine specific kinases, receptor tyrosine specific kinases and non-receptor tyrosine specific kinases.
- Serine/threonine kinases include mitogen activated protein kinases (MAPK), meiosis specific kinase (MEK), RAF and aurora kinase.
- receptor kinase families include epidermal growth factor receptor (EGFR) (e.g., HER2/neu, HER3, HER4, ErbB, ErbB2, ErbB3, ErbB4, Xmrk, DER, Let23); fibroblast growth factor (FGF) receptor (e.g., FGF-R1,GFF-R2/BEK/CEK3, FGF-R3/CEK2, FGF-R4/TKF, KGF-R); hepatocyte growth/scatter factor receptor (HGFR) (e.g., MET, RON, SEA, SEX); insulin receptor (e.g., IGFI-R, PI3K, AKT, mTor); Eph (e.g., CEK5, CEK8, EBK, ECK, EEK, EHK-1, EHK-2, ELK, EPH, ERK, HEK, MDK2, MDK5, SEK); Axl (e.g., Mer/Nyk, Rse); RET
- Non-receptor tyrosine kinase families include, but are not limited to, BCR-ABL (e.g., p43 abl , ARG); BTK (e.g., ITK/EMT, TEC); CSK, FAK, FPS, JAK, SRC, BMX, FER, CDK and SYK.
- the subject compounds may be administered in combination with one or more separate agents that modulate non-kinase biological targets or processes.
- targets include histone deacetylases (HDAC), DNA methyltransferase (DNMT), heat shock proteins (e.g., HSP90), and proteosomes.
- subject compounds may be combined with antineoplastic agents (e.g., small molecules, monoclonal antibodies, antisense RNA, and fusion proteins) that inhibit one or more biological targets such as Zolinza, Tarceva, Iressa, Tykerb, Gleevec, Sutent, Sprycel, Nexavar, CNF2024, RG108, BMS387032, Affinitak, Avastin, Herceptin, Erbitux, AG24322, PD325901, ZD6474, PD184322, Obatodax, ABT737 and AEE788.
- antineoplastic agents e.g., small molecules, monoclonal antibodies, antisense RNA, and fusion proteins
- antineoplastic agents e.g., small molecules, monoclonal antibodies, antisense RNA, and fusion proteins
- antineoplastic agents e.g., small molecules, monoclonal antibodies, antisense RNA, and fusion proteins
- antineoplastic agents e.
- the compounds of the invention are administered in combination with a chemotherapeutic agent.
- chemotherapeutic agents encompass a wide range of therapeutic treatments in the field of oncology. These agents are administered at various stages of the disease for the purposes of shrinking tumors, destroying remaining cancer cells left over after surgery, inducing remission, maintaining remission and/or alleviating symptoms relating to the cancer or its treatment.
- alkylating agents such as mustard gas derivatives (Mechlorethamine, cylophosphamide, chlorambucil, melphalan, ifosfamide), ethylenimines (thiotepa, hexamethylmelanine), Alkylsulfonates (Busulfan), Hydrazines and Triazines (Altretamine, Procarbazine, dacarbazine and Temozolomide), Nitrosoureas (Carmustine, Lomustine and Streptozocin), Ifosfamide and metal salts (Carboplatin, Cisplatin, and Oxaliplatin); plant alkaloids such as Podophyllotoxins (Etoposide and Tenisopide), Taxanes (Paclitaxel and Docetaxel), Vinca alkaloids (Vincristine, Vinblastine, Vindesine and Vinorelbine), and Camptothecan analogs (Iri)
- the compounds of the invention are administered in combination with a chemoprotective agent.
- chemoprotective agents act to protect the body or minimize the side effects of chemotherapy. Examples of such agents include, but are not limited to, amfostine, mesna, and dexrazoxane.
- the subject compounds are administered in combination with radiation therapy.
- Radiation is commonly delivered internally (implantation of radioactive material near cancer site) or externally from a machine that employs photon (x-ray or gamma-ray) or particle radiation.
- the combination therapy further comprises radiation treatment
- the radiation treatment may be conducted at any suitable time so long as a beneficial effect from the co-action of the combination of the therapeutic agents and radiation treatment is achieved. For example, in appropriate cases, the beneficial effect is still achieved when the radiation treatment is temporally removed from the administration of the therapeutic agents, perhaps by days or even weeks.
- compounds of the invention can be used in combination with an immunotherapeutic agent.
- immunotherapy is the generation of an active systemic tumor-specific immune response of host origin by administering a vaccine composition at a site distant from the tumor.
- Various types of vaccines have been proposed, including isolated tumor-antigen vaccines and anti-idiotype vaccines.
- Another approach is to use tumor cells from the subject to be treated, or a derivative of such cells (reviewed by Schirrmacher et al. (1995) J. Cancer Res. Clin. Oncol., 121:487 ).
- Schirrmacher et al. (1995) J. Cancer Res. Clin. Oncol., 121:487 In U.S. Pat. No. 5,484,596, Hanna Jr. et al.
- a method for treating a resectable carcinoma to prevent recurrence or metastases comprising surgically removing the tumor, dispersing the cells with collagenase, irradiating the cells, and vaccinating the patient with at least three consecutive doses of about 10 7 cells.
- Suitable agents for adjunctive therapy include a 5HT 1 agonist, such as a triptan (e.g. sumatriptan or naratriptan); an inhibitor of the phosphoinositol-3-kinase (PI3K) family; an inhibitor of the mammalian target of rapamycin (mTOR); an inhibitor of Bcr-Abl; an adenosine Al agonist; an EP ligand; an NMDA modulator, such as a glycine antagonist; a sodium channel blocker (e.g. lamotrigine); a substance P antagonist (e.g.
- a 5HT 1 agonist such as a triptan (e.g. sumatriptan or naratriptan); an inhibitor of the phosphoinositol-3-kinase (PI3K) family
- mTOR mammalian target of rapamycin
- Bcr-Abl an inhibitor of Bcr-Abl
- an adenosine Al agonist
- an NK 1 antagonist an NK 1 antagonist
- a cannabinoid acetaminophen or phenacetin
- a 5-lipoxygenase inhibitor e.g. methotrexate
- a leukotriene receptor antagonist e.g. methotrexate
- gabapentin and related compounds e.g. methotrexate
- a tricyclic antidepressant e.g. amitryptilline
- a neuron stabilising antiepileptic drug e.g.
- venlafaxine a matrix metalloproteinase inhibitor; a nitric oxide synthase (NOS) inhibitor, such as an iNOS or an nNOS inhibitor; an inhibitor of the release, or action, of tumour necrosis factor alpha; an antibody therapy, such as a monoclonal antibody therapy; an antiviral agent, such as a nucleoside inhibitor (e.g. lamivudine) or an immune system modulator (e.g. interferon); an opioid analgesic; a local anaesthetic; a stimulant, including caffeine; an H 2 -antagonist (e.g. ranitidine); a proton pump inhibitor (e.g.
- omeprazole an antacid (e.g. aluminium or magnesium hydroxide; an antiflatulent (e.g. simethicone); a decongestant (e.g. phenylephrine, phenylpropanolamine, pseudoephedrine, oxymetazoline, epinephrine, naphazoline, xylometazoline, propythexedrine, or levo-desoxyephedrine); an antitussive (e.g. codeine, hydrocodone, carmiphen, carbetapentane, or dextramethorphan); a diuretic; or a sedating or non-sedating antihistamine.
- an antitussive e.g. codeine, hydrocodone, carmiphen, carbetapentane, or dextramethorphan
- a diuretic or a sedating or non-sedating antihistamine.
- the compounds may also be used in the treatment of a disorder involving, relating to or, associated with dysregulation of histone deacetylase (HDAC).
- HDAC histone deacetylase
- disorders that have been implicated by or known to be mediated at least in part by HDAC activity, where HDAC activity is known to play a role in triggering disease onset, or whose symptoms are known or have been shown to be alleviated by HDAC inhibitors.
- disorders of this type that would be expected to be amenable to treatment with the compounds of the invention include the following but not limited to: Anti-proliferative disorders (e.g.
- Neurodegenerative diseases including Huntington's Disease, Polyglutamine disease, Parkinson's Disease, Alzheimer's Disease, Seizures, Striatonigral degeneration, Progressive supranuclear palsy, Torsion dystonia, Spasmodic torticollis and dyskinesis, Familial tremor, Gilles de la Tourette syndrome, Diffuse Lewy body disease, Progressive supranuclear palsy, Pick's disease, intracerebral hemorrhage, Primary lateral sclerosis, Spinal muscular atrophy, Amyotrophic lateral sclerosis, Hypertrophic interstitial polyneuropathy, Retinitis pigmentosa, Hereditary optic atrophy, Hereditary spastic paraplegia, Progressive ataxia and Shy-Drager syndrome; Metabolic diseases including Type 2 diabetes; Degenerative Diseases of the Eye including Glaucoma, Age-related macular degeneration, Rubeotic glaucoma; Inflammatory diseases and/or Immune system disorders including Rheumato
- Compounds of the invention inhibit angiongenesis and are therefore useful in the treatment of diseases or conditions mediated by angiogenesis such as tumors, in particular solid tumors such as colon, lung, pancreatic, ovarian, breast and glioma. Furthermore, compounds of the invention are useful for treating macular degeneration, e.g., wet age-related macular degeneration. Compounds of the invention are also useful for treating inflammatory/immune diseases such as Crohn's disease, inflammatory bowel disease, Sjogren's syndrome, asthma, organ transplant rejection, systemic lupus erythmatoses, psoriatic arthritis, psoriasis and multiple sclerosis. The compounds can also be used for the down-regulation of hair growth or as a depilatory for cosmetic purposes or in the treatment of hirsutism.
- the invention encompasses pharmaceutical compositions comprising pharmaceutically acceptable salts of the compounds of the invention as described above.
- the invention also encompasses solvates of the compounds of the invention and pharmaceutical compositions comprising such solvates, such as hydrates, methanolates or ethanolates.
- solvate refers to a solid, preferably crystalline, form of a compound which includes the presence of solvent molecules within the crystal lattice.
- a solvate of a compound comprising a given solvent is typically prepared by crystallization of the compound from that solvent.
- Solvates can include a variety of solvents, including water, methanol and ethanol.
- hydrate refers to a solvate in which the solvent is water, and includes, but is not limited to, hemihydrate, monohydrate, dihydrate, trihydrate and the like.
- the invention further encompasses pharmaceutical compositions comprising any solid or liquid physical form of the compound of the invention, including crystalline and crystalline solvate forms.
- the compounds can be in a crystalline form, in amorphous form, and have any particle size.
- the particles may be micronized, or may be agglomerated, particulate granules, powders, oils, oily suspensions or any other -solid or liquid physical form.
- compositions suitable for administration can be incorporated into pharmaceutical compositions suitable for administration, together with a pharmaceutically acceptable carrier or excipient.
- Such compositions typically comprise a therapeutically effective amount of any of the compounds above, and a pharmaceutically acceptable carrier.
- the effective amount when treating cancer is an amount effective to selectively induce terminal differentiation of suitable neoplastic cells and less than an amount which causes toxicity in a patient.
- Compounds of the invention may be administered by any suitable means, including, without limitation, parenteral, intravenous, intramuscular, subcutaneous, implantation, oral, sublingual, buccal, nasal, pulmonary, transdermal, topical, vaginal, rectal, and transmucosal administrations or the like. Topical administration can also involve the use of transdermal administration such as transdermal patches or iontophoresis devices.
- Pharmaceutical preparations include a solid, semisolid or liquid preparation (tablet, pellet, troche, capsule, suppository, cream, ointment, aerosol, powder, liquid, emulsion, suspension, syrup, injection etc.) containing a compound of the invention as an active ingredient, which is suitable for selected mode of administration.
- the pharmaceutical compositions are administered orally, and are thus formulated in a form suitable for oral administration, i.e., as a solid or a liquid preparation.
- suitable solid oral formulations include tablets, capsules, pills, granules, pellets, sachets and effervescent, powders, and the like.
- Suitable liquid oral formulations include solutions, suspensions, dispersions, emulsions, oils and the like.
- the composition is formulated in a capsule.
- the compositions of the present invention comprise in addition to the active compound and the inert carrier or diluent, a hard gelatin capsule.
- any inert excipient that is commonly used as a carrier or diluent may be used in the formulations of the present invention, such as for example, a gum, a starch, a sugar, a cellulosic material, an acrylate, or mixtures thereof.
- a preferred diluent is microcrystalline cellulose.
- compositions may further comprise a disintegrating agent (e.g., croscarmellose sodium) and a lubricant (e.g., magnesium stearate), and may additionally comprise one or more additives selected from a binder, a buffer, a protease inhibitor, a surfactant, a solubilizing agent, a plasticizer, an emulsifier, a stabilizing agent, a viscosity increasing agent, a sweetener, a film forming agent, or any combination thereof.
- a disintegrating agent e.g., croscarmellose sodium
- a lubricant e.g., magnesium stearate
- additives selected from a binder, a buffer, a protease inhibitor, a surfactant, a solubilizing agent, a plasticizer, an emulsifier, a stabilizing agent, a viscosity increasing agent, a sweetener, a film forming agent, or any combination thereof.
- pharmaceutically acceptable carriers may be aqueous or non-aqueous solutions, suspensions, emulsions or oils.
- non-aqueous solvents are propylene glycol, polyethylene glycol, and injectable organic esters such as ethyl oleate.
- Aqueous carriers include water, alcoholic/aqueous solutions, emulsions or suspensions, including saline and buffered media.
- oils are those of petroleum, animal, vegetable, or synthetic origin, for example, peanut oil, soybean oil, mineral oil, olive oil, sunflower oil, and fish-liver oil.
- Solutions or suspensions can also include the following components: a sterile diluent such as water for injection, saline solution, fixed oils, polyethylene glycols, glycerine, propylene glycol or other synthetic solvents; antibacterial agents such as benzyl alcohol or methyl parabens; antioxidants such as ascorbic acid or sodium bisulfite; chelating agents such as ethylenediaminetetraacetic acid (EDTA); buffers such as acetates, citrates or phosphates, and agents for the adjustment of tonicity such as sodium chloride or dextrose.
- the pH can be adjusted with acids or bases, such as hydrochloric acid or sodium hydroxide.
- compositions may further comprise binders (e.g., acacia, cornstarch, gelatin, carbomer, ethyl cellulose, guar gum, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, povidone), disintegrating agents (e.g., cornstarch, potato starch, alginic acid, silicon dioxide, croscarmellose sodium, crospovidone, guar gum, sodium starch glycolate, Primogel), buffers (e.g., tris-HCI., acetate, phosphate) of various pH and ionic strength, additives such as albumin or gelatin to prevent absorption to surfaces, detergents (e.g., Tween 20, Tween 80, Pluronic F68, bile acid salts), protease inhibitors, surfactants (e.g., sodium lauryl sulfate), permeation enhancers, solubilizing agents (e.g., glycerol, polyethylene binders (
- the active compounds are prepared with carriers that will protect the compound against rapid elimination from the body, such as a controlled release formulation, including implants and microencapsulated delivery systems.
- a controlled release formulation including implants and microencapsulated delivery systems.
- Biodegradable, biocompatible polymers can be used, such as ethylene vinyl acetate, polyanhydrides, polyglycolic acid, collagen, polyorthoesters, and polylactic acid. Methods for preparation of such formulations will be apparent to those skilled in the art.
- the materials can also be obtained commercially from Alza Corporation and Nova Pharmaceuticals, Inc.
- Liposomal suspensions (including liposomes targeted to infected cells with monoclonal antibodies to viral antigens) can also be used as pharmaceutically acceptable carriers. These can be prepared according to methods known to those skilled in the art, for example, as described in U.S. Patent No. 4,522,811 .
- Dosage unit form refers to physically discrete units suited as unitary dosages for the subject to be treated; each unit containing a predetermined quantity of active compound calculated to produce the desired therapeutic effect in association with the required pharmaceutical carrier.
- the specification for the dosage unit forms of the invention are dictated by and directly dependent on the unique characteristics of the active compound and the particular therapeutic effect to be achieved, and the limitations inherent in the art of compounding such an active compound for the treatment of individuals.
- compositions can be included in a container, pack, or dispenser together with instructions for administration.
- Daily administration may be repeated continuously for a period of several days to several years. Oral treatment may continue for between one week and the life of the patient. Preferably the administration may take place for five consecutive days after which time the patient can be evaluated to determine if further administration is required.
- the administration can be continuous or intermittent, e.g., treatment for a number of consecutive days followed by a rest period.
- the compounds of the present invention may be administered intravenously on the first day of treatment, with oral administration on the second day and all consecutive days thereafter.
- compositions that contain an active component are well understood in the art, for example, by mixing, granulating, or tablet-forming processes.
- the active therapeutic ingredient is often mixed with excipients that are pharmaceutically acceptable and compatible with the active ingredient.
- the active agents are mixed with additives customary for this purpose, such as vehicles, stabilizers, or inert diluents, and converted by customary methods into suitable forms for administration, such as tablets, coated tablets, hard or soft gelatin capsules, aqueous, alcoholic or oily solutions and the like as detailed above.
- the amount of the compound administered to the patient is less than an amount that would cause toxicity in the patient. In certain embodiments, the amount of the compound that is administered to the patient is less than the amount that causes a concentration of the compound in the patient's plasma to equal or exceed the toxic level of the compound.
- the concentration of the compound in the patient's plasma is maintained at about 10 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 25 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 50 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 100 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 500 nM.
- the concentration of the compound in the patient's plasma is maintained at about 1000 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 2500 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 5000 nM.
- the optimal amount of the compound that should be administered to the patient in the practice of the present invention will depend on the particular compound used and the type of cancer being treated.
- an "aliphatic group” or “aliphatic” is non-aromatic moiety that may be saturated (e.g. single bond) or contain one or more units of unsaturation, e.g., double and/or triple bonds.
- An aliphatic group may be straight chained, branched or cyclic, contain carbon, hydrogen or, optionally, one or more heteroatoms and may be substituted or unsubstituted.
- An aliphatic group, when used as a linker preferably contains between about 1 and about 24 atoms, more preferably between about 4 to about 24 atoms, more preferably between about 4-12 atoms, more typically between about 4 and about 8 atoms.
- An aliphatic group when used as a substituent, preferably contains between about 1 and about 24 atoms, more preferably between about 1 to about 10 atoms, more preferably between about 1-8 atoms, more typically between about 1 and about 6 atoms.
- aliphatic groups include, for example, polyalkoxyalkyls, such as polyalkylene glycols, polyamines, and polyimines, for example. Such aliphatic groups may be further substituted. It is understood that aliphatic groups may include alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl groups described herein.
- substituted carbonyl includes compounds and moieties which contain a carbon connected with a double bond to an oxygen atom, and tautomeric forms thereof.
- moieties that contain a substituted carbonyl include aldehydes, ketones, carboxylic acids, amides, esters, anhydrides, etc.
- carbonyl moiety refers to groups such as “alkylcarbonyl” groups wherein an alkyl group is covalently bound to a carbonyl group, "alkenylcarbonyl” groups wherein an alkenyl group is covalently bound to a carbonyl group, "alkynylcarbonyl” groups wherein an alkynyl group is covalently bound to a carbonyl group, “arylcarbonyl” groups wherein an aryl group is covalently attached to the carbonyl group.
- the term also refers to groups wherein one or more heteroatoms are covalently bonded to the carbonyl moiety.
- the term includes moieties such as, for example, aminocarbonyl moieties, (wherein a nitrogen atom is bound to the carbon of the carbonyl group, e.g., an amide).
- acyl refers to hydrogen, alkyl, partially saturated or fully saturated cycloalkyl, partially saturated or fully saturated heterocycle, aryl, and heteroaryl substituted carbonyl groups.
- acyl includes groups such as (C 1 -C 6 )alkanoyl (e.g., formyl, acetyl, propionyl, butyryl, valeryl, caproyl, t-butylacetyl, etc.), (C 3 -C 6 )cycloalkylcarbonyl (e.g., cyclopropylcarbonyl, cyclobutylcarbonyl, cyclopentylcarbonyl, cyclohexylcarbonyl, etc.), heterocyclic carbonyl (e.g., pyrrolidinylcarbonyl, pyrrolid-2-one-5-carbonyl, piperidinylcarbonyl, piperazinylcarbonyl, tetrahydrofuranylcarbonyl,
- alkyl, cycloalkyl, heterocycle, aryl and heteroaryl portion of the acyl group may be any one of the groups described in the respective definitions.
- the acyl group may be unsubstituted or optionally substituted with one or more substituents (typically, one to three substituents) independently selected from the group of substituents listed below in the definition for "substituted” or the alkyl, cycloalkyl, heterocycle, aryl and heteroaryl portion of the acyl group may be substituted as described above in the preferred and more preferred list of substituents, respectively.
- alkyl embraces linear or branched radicals having one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred alkyl radicals are "lower alkyl” radicals having one to about ten carbon atoms. Most preferred are lower alkyl radicals having one to about eight carbon atoms. Examples of such radicals include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl, iso-amyl, hexyl and the like.
- alkenyl embraces linear or branched radicals having at least one carbon-carbon double bond of two to about twenty carbon atoms or, preferably, two to about twelve carbon atoms. More preferred alkenyl radicals are "lower alkenyl” radicals having two to about ten carbon atoms and more preferably about two to about eight carbon atoms. Examples of alkenyl radicals include ethenyl, allyl, propenyl, butenyl and 4-methylbutenyl.
- alkenyl and “lower alkenyl” embrace radicals having "cis” and “trans” orientations, or alternatively, "E” and "Z” orientations.
- alkynyl embraces linear or branched radicals having at least one carbon-carbon triple bond of two to about twenty carbon atoms or, preferably, two to about twelve carbon atoms. More preferred alkynyl radicals are "lower alkynyl” radicals having two to about ten carbon atoms and more preferably about two to about eight carbon atoms. Examples of alkynyl radicals include propargyl, 1-propynyl, 2-propynyl, 1-butyne, 2-butynyl and 1-pentynyl.
- cycloalkyl embraces saturated carbocyclic radicals having three to about twelve carbon atoms.
- cycloalkyl embraces saturated carbocyclic radicals having three to about twelve carbon atoms.
- More preferred cycloalkyl radicals are "lower cycloalkyl” radicals having three to about eight carbon atoms. Examples of such radicals include cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl.
- cycloalkenyl embraces partially unsaturated carbocyclic radicals having three to twelve carbon atoms. Cycloalkenyl radicals that are partially unsaturated carbocyclic radicals that contain two double bonds (that may or may not be conjugated) can be called “cycloalkyldienyl". More preferred cycloalkenyl radicals are "lower cycloalkenyl” radicals having four to about eight carbon atoms. Examples of such radicals include cyclobutenyl, cyclopentenyl and cyclohexenyl.
- alkoxy embraces linear or branched oxy-containing radicals each having alkyl, portions of one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred alkoxy radicals are "lower alkoxy" radicals having one to about ten carbon atoms and more preferably having one to about eight carbon atoms. Examples of such radicals include methoxy, ethoxy, propoxy, butoxy and tert-butoxy.
- alkoxyalkyl embraces alkyl radicals having one or more alkoxy radicals attached to the alkyl radical, that is, to form monoalkoxyalkyl and dialkoxyalkyl radicals.
- aryl alone or in combination, means a carbocyclic aromatic system containing one, two or three rings wherein such rings may be attached together in a pendent manner or may be fused.
- aryl embraces aromatic radicals such as phenyl, naphthyl, tetrahydronaphthyl, indane and biphenyl.
- heterocyclyl "heterocycle” “heterocyclic” or “heterocyclo” embrace saturated, partially unsaturated and unsaturated heteroatom-containing ring-shaped radicals, which can also be called “heterocyclyl”, “heterocycloalkenyl” and “heteroaryl” correspondingly, where the heteroatoms may be selected from nitrogen, sulfur and oxygen.
- saturated heterocyclyl radicals include saturated 3 to 6-membered heteromonocyclic group containing 1 to 4 nitrogen atoms (e.g.
- pyrrolidinyl imidazolidinyl, piperidino, piperazinyl, etc.
- saturated 3 to 6-membered heteromonocyclic group containing 1 to 2 oxygen atoms and 1 to 3 nitrogen atoms e.g. morpholinyl, etc.
- saturated 3 to 6-membered heteromonocyclic group containing 1 to 2 sulfur atoms and 1 to 3 nitrogen atoms e.g., thiazolidinyl, etc.
- partially unsaturated heterocyclyl radicals include dihydrothiophene, dihydropyran, dihydrofuran and dihydrothiazole.
- Heterocyclyl radicals may include a pentavalent nitrogen, such as in tetrazolium and pyridinium radicals.
- the term "heterocycle” also embraces radicals where heterocyclyl radicals are fused with aryl or cycloalkyl radicals. Examples of such fused bicyclic radicals include benzofuran, benzothiophene, and the like.
- heteroaryl embraces unsaturated heterocyclyl radicals.
- heteroaryl radicals include unsaturated 3 to 6 membered heteromonocyclic group containing 1 to 4 nitrogen atoms, for example, pyrrolyl, pyrrolinyl, imidazolyl, pyrazolyl, pyridyl, pyrimidyl, pyrazinyl, pyridazinyl, triazolyl (e.g., 4H-1,2,4-triazolyl, 1H-1,2,3-triazolyl, 2H-1,2,3-triazolyl, etc.) tetrazolyl (e.g.
- unsaturated condensed heterocyclyl group containing 1 to 5 nitrogen atoms for example, indolyl, isoindolyl, indolizinyl, benzimidazolyl, quinolyl, isoquinolyl, indazolyl, benzotriazolyl, tetrazolopyridazinyl (e.g., tetrazolo[1,5-b]pyridazinyl, etc.), etc.
- unsaturated 3 to 6-membered heteromonocyclic group containing an oxygen atom for example, pyranyl, furyl, etc.
- unsaturated 3 to 6-membered heteromonocyclic group containing a sulfur atom for example, thienyl, etc.
- unsaturated 3- to 6-membered heteromonocyclic group containing 1 to 2 oxygen atoms and 1 to 3 nitrogen atoms for example,
- benzoxazolyl, benzoxadiazolyl, etc. unsaturated 3 to 6-membered heteromonocyclic group containing 1 to 2 sulfur atoms and 1 to 3 nitrogen atoms, for example, thiazolyl, thiadiazolyl (e.g., 1,2,4- thiadiazolyl, 1,3,4-thiadiazolyl, 1,2,5-thiadiazolyl, etc.) etc.; unsaturated condensed heterocyclyl group containing 1 to 2 sulfur atoms and 1 to 3 nitrogen atoms (e.g., benzothiazolyl, benzothiadiazolyl, etc.) and the like.
- thiazolyl, thiadiazolyl e.g., 1,2,4- thiadiazolyl, 1,3,4-thiadiazolyl, 1,2,5-thiadiazolyl, etc.
- unsaturated condensed heterocyclyl group containing 1 to 2 sulfur atoms and 1 to 3 nitrogen atoms e.g., be
- heterocycloalkyl embraces heterocyclo-substituted alkyl radicals. More preferred heterocycloalkyl radicals are "lower heterocycloalkyl” radicals having one to six carbon atoms in the heterocyclo radicals.
- alkylthio embraces radicals containing a linear or branched alkyl radical, of one to about ten carbon atoms attached to a divalent sulfur atom.
- Preferred alkylthio radicals have alkyl radicals of one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred alkylthio radicals have alkyl radicals are "lower alkylthio" radicals having one to about ten carbon atoms. Most preferred are alkylthio radicals having lower alkyl radicals of one to about eight carbon atoms. Examples of such lower alkylthio radicals are methylthio, ethylthio, propylthio, butylthio and hexylthio.
- aralkyl or "arylalkyl” embrace aryl-substituted alkyl radicals such as benzyl, diphenylmethyl, triphenylmethyl, phenylethyl, and diphenylethyl.
- aryloxy embraces aryl radicals attached through an oxygen atom to other radicals.
- aralkoxy or "arylalkoxy” embrace aralkyl radicals attached through an oxygen atom to other radicals.
- aminoalkyl embraces alkyl radicals substituted with amino radicals.
- Preferred aminoalkyl radicals have alkyl radicals having about one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred aminoalkyl radicals are "lower aminoalkyl” that have alkyl radicals having one to about ten carbon atoms. Most preferred are aminoalkyl radicals having lower alkyl radicals having one to eight carbon atoms. Examples of such radicals include aminomethyl, aminoethyl, and the like.
- alkylamino denotes amino groups which are substituted with one or two alkyl radicals.
- Preferred alkylamino radicals have alkyl radicals having about one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred alkylamino radicals are "lower alkylamino” that have alkyl radicals having one to about ten carbon atoms. Most preferred are alkylamino radicals having lower alkyl radicals having one to about eight carbon atoms.
- Suitable lower alkylamino may be monosubstituted N-alkylamino or disubstituted N,N-alkylamino, such as N-methylamino, N-ethylamino, N,N-dimethylamino, N,N-diethylamino or the like.
- linker means an organic moiety that connects two parts of a compound.
- Linkers typically comprise a direct bond or an atom such as oxygen or sulfur, a unit such as NR 2 , C(O), C(O)NH, SO, SO 2 , SO 2 NH or a chain of atoms, such as substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, arylalkyl, arylalkenyl, arylalkynyl, heteroarylalkyl, heteroarylalkenyl, heteroarylalkynyl, heterocyclylalkyl, heterocyclylalkenyl, heterocyclylalkynyl, aryl, heteroaryl, heterocyclyl, cycloalkyl, cycloalkenyl, alkylarylalkyl, alkylarylalkenyl, alkylarylalkynyl, alkenyl
- the linker B is between 1-24 atoms in length, preferably 4-24 atoms in length, preferably 4-18 atoms in length, more preferably 4-12 atoms in length, and most preferably about 4-10 atoms in length.
- the linker is a C(O)NH(alkyl) chain or an alkoxy chain. It is to be understood that an asymmetric linker, such as alkylaryl, can connect two structurally distinct moieties in either of its two possible orientations.
- substituted refers to the replacement of one or more hydrogen radicals in a given structure with the radical of a specified substituent including, but not limited to: halo, alkyl, alkenyl, alkenyl, aryl, heterocyclyl, thiol, alkylthio, arylthio, alkylthioalkyl, arylthioalkyl, alkylsulfonyl, alkylsulfonylalkyl, arylsulfonylalkyl, alkoxy, aryloxy, aralkoxy, aminocarbonyl, alkylaminocarbonyl, arylaminocarbonyl, alkoxycarbonyl, aryloxycarbonyl, haloalkyl, amino, trifluoromethyl, cyano, nitro, alkylamino, arylamino, alkylaminoalkyl, arylaminoalkyl, aminoalkylamino, hydroxy,
- chemical moieties are defined and referred to throughout can be univalent chemical moieties (e.g., alkyl, aryl, etc.) or multivalent moieties under the appropriate structural circumstances clear to those skilled in the art.
- an "alkyl” moiety can be referred to a monovalent radical (e.g.
- a bivalent linking moiety can be "alkyl,” in which case those skilled in the art will understand the alkyl to be a divalent radical (e.g., -CH 2 -CH 2 -), which is equivalent to the term “alkylene.”
- divalent moieties are required and are stated as being “alkoxy”, “alkylamino”, “aryloxy”, “alkylthio”, “aryl”, “heteroaryl”, “heterocyclic", “alkyl” “alkenyl", “alkynyl”, “aliphatic”, or “cycloalkyl”
- alkoxy", alkylamino", “aryloxy”, “alkylthio”, “aryl”, “heteroaryl”, “heterocyclic”, “alkyl”, “alkenyl”, “alkynyl”, “aliphatic”, or “cycloalkyl” refer to the terms
- halogen refers to an atom selected from fluorine, chlorine, bromine and iodine.
- the term "aberrant proliferation” refers to abnormal cell growth.
- adjunct therapy encompasses treatment of a subject with agents that reduce or avoid side effects associated with the combination therapy of the present invention, including, but not limited to, those agents, for example, that reduce the toxic effect of anticancer drugs, e.g., bone resorption inhibitors, cardioprotective agents; prevent or reduce the incidence of nausea and vomiting associated with chemotherapy, radiotherapy or operation; or reduce the incidence of infection associated with the administration of myelosuppressive anticancer drugs.
- agents that reduce or avoid side effects associated with the combination therapy of the present invention including, but not limited to, those agents, for example, that reduce the toxic effect of anticancer drugs, e.g., bone resorption inhibitors, cardioprotective agents; prevent or reduce the incidence of nausea and vomiting associated with chemotherapy, radiotherapy or operation; or reduce the incidence of infection associated with the administration of myelosuppressive anticancer drugs.
- angiogenesis refers to the formation of blood vessels. Specifically, angiogenesis is a multi-step process in which endothelial cells focally degrade and invade through their own basement membrane, migrate through interstitial stroma toward an angiogenic stimulus, proliferate proximal to the migrating tip, organize into blood vessels, and reattach to newly synthesized basement membrane (see Folkman et al., Adv. Cancer Res., Vol. 43, pp. 175-203 (1985 )). Anti-angiogenic agents interfere with this process.
- agents that interfere with several of these steps include thrombospondin-1, angiostatin, endostatin, interferon alpha and compounds such as matrix metalloproteinase (MMP) inhibitors that block the actions of enzymes that clear and create paths for newly forming blood vessels to follow; compounds, such as .alpha.v.beta.3 inhibitors, that interfere with molecules that blood vessel cells use to bridge between a parent blood vessel and a tumor; agents, such as specific COX-2 inhibitors, that prevent the growth of cells that form new blood vessels; and protein-based compounds that simultaneously interfere with several of these targets.
- MMP matrix metalloproteinase
- apoptosis refers to programmed cell death as signaled by the nuclei in normally functioning human and animal cells when age or state of cell health and condition dictates.
- An “apoptosis inducing agent” triggers the process of programmed cell death.
- cancer denotes a class of diseases or disorders characterized by uncontrolled division of cells and the ability of these cells to invade other tissues, either by direct growth into adjacent tissue through invasion or by implantation into distant sites by metastasis.
- compound is defined herein to include pharmaceutically acceptable salts, solvates, hydrates, polymorphs, enantiomers, diastereoisomers, racemates and the like of the compounds having a formula as set forth herein.
- device refers to any appliance, usually mechanical or electrical, designed to perform a particular function.
- displasia refers to abnormal cell growth, and typically refers to the earliest form of pre-cancerous lesion recognizable in a biopsy by a pathologist.
- the term "effective amount of the subject compounds,” with respect to the subject method of treatment, refers to an amount of the subject compound which, when delivered as part of desired dose regimen, brings about, e.g. a change in the rate of cell proliferation and/or state of differentiation and/or rate of survival of a cell to clinically acceptable standards.
- This amount may further relieve to some extent one or more of the symptoms of a neoplasia disorder, including, but is not limited to: 1) reduction in the number of cancer cells; 2) reduction in tumor size; 3) inhibition (i.e., slowing to some extent, preferably stopping) of cancer cell infiltration into peripheral organs; 4) inhibition (i.e., slowing to some extent, preferably stopping) of tumor metastasis; 5) inhibition, to some extent, of tumor growth; 6) relieving or reducing to some extent one or more of the symptoms associated with the disorder; and/or 7) relieving or reducing the side effects associated with the administration of anticancer agents.
- hypoplasia refers to excessive cell division or growth.
- an "immunotherapeutic agent” refers to agents used to transfer the immunity of an immune donor, e.g., another person or an animal, to a host by inoculation.
- the term embraces the use of serum or gamma globulin containing performed antibodies produced by another individual or an animal; nonspecific systemic stimulation; adjuvants; active specific immunotherapy; and adoptive immunotherapy.
- Adoptive immunotherapy refers to the treatment of a disease by therapy or agents that include host inoculation of sensitized lymphocytes, transfer factor, immune RNA, or antibodies in serum or gamma globulin.
- inhibitors in the context of neoplasia, tumor growth or tumor cell growth, may be assessed by delayed appearance of primary or secondary tumors, slowed development of primary or secondary tumors, decreased occurrence of primary or secondary tumors, slowed or decreased severity of secondary effects of disease, arrested tumor growth and regression of tumors, among others. In the extreme, complete inhibition, is referred to herein as prevention or chemoprevention.
- Metastasis refers to the migration of cancer cells from the original tumor site through the blood and lymph vessels to produce cancers in other tissues. Metastasis also is the term used for a secondary cancer growing at a distant site.
- Neoplasm refers to an abnormal mass of tissue that results from excessive cell division. Neoplasms may be benign (not cancerous), or malignant (cancerous) and may also be called a tumor. The term “neoplasia” is the pathological process that results in tumor formation.
- pre-cancerous refers to a condition that is not malignant, but is likely to become malignant if left untreated.
- proliferation refers to cells undergoing mitosis.
- hedgehog related disease or disorder refers to a disease or disorder characterized by inappropriate hedgehog signaling activity.
- Such inappropriate hedgehog signaling activity can occur when Patched fails to, or inadequately, represses Smoothened (Ptc loss of function phenotype) and/or when Smoothened is active regardless of Patched repression (Smo gain-of function phenotype).
- a "radio therapeutic agent” refers to the use of electromagnetic or particulate radiation in the treatment of neoplasia.
- recurrence refers to the return of cancer after a period of remission. This may be due to incomplete removal of cells from the initial cancer and may occur locally (the same site of initial cancer), regionally (in vicinity of initial cancer, possibly in the lymph nodes or tissue), and/or distally as a result of metastasis.
- treatment refers to any process, action, application, therapy, or the like, wherein a mammal, including a human being, is subject to medical aid with the object of improving the mammal's condition, directly or indirectly.
- vaccine includes agents that induce the patient's immune system to mount an immune response against the tumor by attacking cells that express tumor associated antigens (Teas).
- the term "pharmaceutically acceptable salt” refers to those salts which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of humans and lower animals without undue toxicity, irritation, allergic response and the like, and are commensurate with a reasonable benefit/risk ratio.
- Pharmaceutically acceptable salts are well known in the art. For example, S. M. Berge, et al. describes pharmaceutically acceptable salts in detail in J. Pharmaceutical Sciences, 66: 1-19 (1977 ).
- the salts can be prepared in situ during the final isolation and purification of the compounds of the invention, or separately by reacting the free base function with a suitable organic acid or inorganic acid.
- nontoxic acid addition salts include, but are not limited to, salts of an amino group formed with inorganic acids such as hydrochloric acid, hydrobromic acid, phosphoric acid, sulfuric acid and perchloric acid or with organic acids such as acetic acid, maleic acid, tartaric acid, citric acid, succinic acid lactobionic acid or malonic acid or by using other methods used in the art such as ion exchange.
- inorganic acids such as hydrochloric acid, hydrobromic acid, phosphoric acid, sulfuric acid and perchloric acid
- organic acids such as acetic acid, maleic acid, tartaric acid, citric acid, succinic acid lactobionic acid or malonic acid or by using other methods used in the art such as ion exchange.
- salts include, but are not limited to, adipate, alginate, ascorbate, aspartate, benzenesulfonate, benzoate, bisulfate, borate, butyrate, camphorate, camphorsulfonate, citrate, cyclopentanepropionate, digluconate, dodecylsulfate, ethanesulfonate, formate, fumarate, glucoheptonate, glycerophosphate, gluconate, hemisulfate, heptanoate, hexanoate, hydroiodide, 2-hydroxy-ethanesulfonate, lactobionate, lactate, laurate, lauryl sulfate, malate, maleate, malonate, methanesulfonate, 2-naphthalenesulfonate, nicotinate, nitrate, oleate, oxalate, palmitate, pamo
- alkali or alkaline earth metal salts include sodium, lithium, potassium, calcium, magnesium, and the like.
- Further pharmaceutically acceptable salts include, when appropriate, nontoxic ammonium, quaternary ammonium, and amine cations formed using counterions such as halide, hydroxide, carboxylate, sulfate, phosphate, nitrate, alkyl having from 1 to 6 carbon atoms, sulfonate and aryl sulfonate.
- ester refers to esters which hydrolyze in vivo and include those that break down readily in the human body to leave the parent compound or a salt thereof.
- Suitable ester groups include, for example, those derived from pharmaceutically acceptable aliphatic carboxylic acids, particularly alkanoic, alkenoic, cycloalkanoic and alkanedioic acids, in which each alkyl or alkenyl moiety advantageously has not more than 6 carbon atoms.
- esters include, but are not limited to, formates, acetates, propionates, butyrates, acrylates and ethylsuccinates.
- prodrugs refers to those prodrugs of the compounds of the present invention which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of humans and lower animals without undue toxicity, irritation, allergic response, and the like, commensurate with a reasonable benefit/risk ratio, and effective for their intended use, as well as the zwitterionic forms, where possible, of the compounds of the present invention.
- Prodrug means a compound which is convertible in vivo by metabolic means (e.g. by hydrolysis) to a compound of the invention.
- Various forms of prodrugs are known in the art, for example, as discussed in Bundgaard, (ed.), Design of Prodrugs, Elsevier (1985 ); Widder, et al. (ed.), Methods in Enzymology, vol. 4, Academic Press (1985 ); Krogsgaard-Larsen, et al., (ed).
- pharmaceutically acceptable carrier is intended to include any and all solvents, dispersion media, coatings, antibacterial and antifungal agents, isotonic and absorption delaying agents, and the like, compatible with pharmaceutical administration, such as sterile pyrogen-free water. Suitable carriers are described in the most recent edition of Remington's Pharmaceutical Sciences, a standard reference text in the field, which is incorporated herein by reference. Preferred examples of such carriers or diluents include, but are not limited to, water, saline, finger's solutions, dextrose solution, and 5% human serum albumin. Liposomes and non-aqueous vehicles such as fixed oils may also be used. The use of such media and agents for pharmaceutically active substances is well known in the art. Except insofar as any conventional media or agent is incompatible with the active compound, use thereof in the compositions is contemplated. Supplementary active compounds can also be incorporated into the compositions.
- pre-cancerous refers to a condition that is not malignant, but is likely to become malignant if left untreated.
- subject refers to an animal.
- the animal is a mammal. More preferably the mammal is a human.
- a subject also refers to, for example, dogs, cats, horses, cows, pigs, guinea pigs, fish, birds and the like.
- the compounds of this invention may be modified by appending appropriate functionalities to enhance selective biological properties.
- modifications are known in the art and may include those which increase biological penetration into a given biological system (e.g., blood, lymphatic system, central nervous system), increase oral availability, increase solubility to allow administration by injection, alter metabolism and alter rate of excretion.
- the synthesized compounds can be separated from a reaction mixture and further purified by a method such as column chromatography, high pressure liquid chromatography, or recrystallization.
- a method such as column chromatography, high pressure liquid chromatography, or recrystallization.
- further methods of synthesizing the compounds of the formulae herein will be evident to those of ordinary skill in the art. Additionally, the various synthetic steps may be performed in an alternate sequence or order to give the desired compounds.
- Synthetic chemistry transformations and protecting group methodologies (protection and deprotection) useful in synthesizing the compounds described herein are known in the art and include, for example, those such as described in R. Larock, Comprehensive Organic Transformations, VCH Publishers (1989 ); T.W. Greene and P.G.M.
- the compounds described herein can contain one or more asymmetric centers and thus give rise to enantiomers, diastereomers, and other stereoisomeric forms that may be defined, in terms of absolute stereochemistry, as (R)- or (S)-, or as (D)- or (L)- for amino acids.
- the present invention is meant to include all such possible isomers, as well as their racemic and optically pure forms.
- Optical isomers may be prepared from their respective optically active precursors by the procedures described above, or by resolving the racemic mixtures. The resolution can be carried out in the presence of a resolving agent, by chromatography or by repeated crystallization or by some combination of these techniques which are known to those skilled in the art.
- any carbon-carbon double bond appearing herein is selected for convenience only and is not intended to designate a particular configuration unless the text so states; thus a carbon-carbon double bond or carbon-heteroatom double bond depicted arbitrarily herein as trans may be cis, trans, or a mixture of the two in any proportion.
- compositions of the present invention comprise a therapeutically effective amount of a compound of the present invention formulated together with one or more pharmaceutically acceptable carriers or excipients.
- the term "pharmaceutically acceptable carrier or excipient” means a non-toxic, inert solid, semi-solid or liquid filler, diluent, encapsulating material or formulation auxiliary of any type.
- materials which can serve as pharmaceutically acceptable carriers are sugars such as lactose, glucose and sucrose; cyclodextrins such as alpha- ( ⁇ ), beta- ( ⁇ ) and gamma- ( ⁇ ) cyclodextrins; starches such as corn starch and potato starch; cellulose and its derivatives such as sodium carboxymethyl cellulose, ethyl cellulose and cellulose acetate; powdered tragacanth; malt; gelatin; talc; excipients such as cocoa butter and suppository waxes; oils such as peanut oil, cottonseed oil, safflower oil, sesame oil, olive oil, corn oil and soybean oil; glycols such as propylene glycol; esters such as ethyl
- compositions of this invention may be administered orally, parenterally, by inhalation spray, topically, rectally, nasally, buccally, vaginally or via an implanted reservoir, preferably by oral administration or administration by injection.
- the pharmaceutical compositions of this invention may contain any conventional non-toxic pharmaceutically-acceptable carriers, adjuvants or vehicles.
- the pH of the formulation may be adjusted with pharmaceutically acceptable acids, bases or buffers to enhance the stability of the formulated compound or its delivery form.
- parenteral as used herein includes subcutaneous, intracutaneous, intravenous, intramuscular, intraarticular, intraarterial, intrasynovial, intracisternal, intrathecal, intralesional and intracranial injection or infusion techniques.
- Liquid dosage forms for oral administration include pharmaceutically acceptable emulsions, microemulsions, solutions, suspensions, syrups and elixirs.
- the liquid dosage forms may contain inert diluents commonly used in the art such as, for example, water or other solvents, solubilizing agents and emulsifiers such as ethyl alcohol, isopropyl alcohol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, propylene glycol, 1,3-butylene glycol, dimethylformamide, oils (in particular, cottonseed, groundnut, corn, germ, olive, castor, and sesame oils), glycerol, tetrahydrofurfuryl alcohol, polyethylene glycols and fatty acid esters of sorbitan, and mixtures thereof.
- the oral compositions can also include adjuvants such as wetting agents, e
- Injectable preparations for example, sterile injectable aqueous or oleaginous suspensions, may be formulated according to the known art using suitable dispersing or wetting agents and suspending agents.
- the sterile injectable preparation may also be a sterile injectable solution, suspension or emulsion in a nontoxic parenterally acceptable diluent or solvent, for example, as a solution in 1,3-butanediol.
- the acceptable vehicles and solvents that may be employed are water, Ringer's solution, U.S.P. and isotonic sodium chloride solution.
- sterile, fixed oils are conventionally employed as a solvent or suspending medium.
- any bland fixed oil can be employed including synthetic mono- or diglycerides.
- fatty acids such as oleic acid are used in the preparation of injectables.
- the injectable formulations can be sterilized, for example, by filtration through a bacterial-retaining filter, or by incorporating sterilizing agents in the form of sterile solid compositions which can be dissolved or dispersed in sterile water or other sterile injectable medium prior to use.
- the rate of drug release can be controlled.
- biodegradable polymers include poly(orthoesters) and poly(anhydrides).
- Depot injectable formulations are also prepared by entrapping the drug in liposomes or microemulsions that are compatible with body tissues.
- compositions for rectal or vaginal administration are preferably suppositories which can be prepared by mixing the compounds of this invention with suitable nonirritating excipients or carriers such as cocoa butter, polyethylene glycol or a suppository wax which are solid at ambient temperature but liquid at body temperature and therefore melt in the rectum or vaginal cavity and release the active compound.
- suitable nonirritating excipients or carriers such as cocoa butter, polyethylene glycol or a suppository wax which are solid at ambient temperature but liquid at body temperature and therefore melt in the rectum or vaginal cavity and release the active compound.
- Solid dosage forms for oral administration include capsules, tablets, pills, powders, and granules.
- the active compound is mixed with at least one inert, pharmaceutically acceptable excipient or carrier such as sodium citrate or dicalcium phosphate and/or: a) fillers or extenders such as starches, lactose, sucrose, glucose, mannitol, and silicic acid, b) binders such as, for example, carboxymethylcellulose, alginates, gelatin, polyvinylpyrrolidinone, sucrose, and acacia, c) humectants such as glycerol, d) disintegrating agents such as agar-agar, calcium carbonate, potato or tapioca starch, alginic acid, certain silicates, and sodium carbonate, e) solution retarding agents such as paraffin, f) absorption accelerators such as quaternary ammonium compounds, g) wetting agents such as, for example, cetyl alcohol and g
- compositions of a similar type may also be employed as fillers in soft and hard-filled gelatin capsules using such excipients as lactose or milk sugar as well as high molecular weight polyethylene glycols and the like.
- the solid dosage forms of tablets, dragees, capsules, pills, and granules can be prepared with coatings and shells such as enteric coatings and other coatings well known in the pharmaceutical formulating art. They may optionally contain opacifying agents and can also be of a composition that they release the active ingredient(s) only, or preferentially, in a certain part of the intestinal tract, optionally, in a delayed manner. Examples of embedding compositions that can be used include polymeric substances and waxes.
- Dosage forms for topical or transdermal administration of a compound of this invention include ointments, pastes, creams, lotions, gels, powders, solutions, sprays, inhalants or patches.
- the active component is admixed under sterile conditions with a pharmaceutically acceptable carrier and any needed preservatives or buffers as may be required.
- Ophthalmic formulation, ear drops, eye ointments, powders and solutions are also contemplated as being within the scope of this invention.
- the ointments, pastes, creams and gels may contain, in addition to an active compound of this invention, excipients such as animal and vegetable fats, oils, waxes, paraffins, starch, tragacanth, cellulose derivatives, polyethylene glycols, silicones, bentonites, silicic acid, talc and zinc oxide, or mixtures thereof.
- excipients such as animal and vegetable fats, oils, waxes, paraffins, starch, tragacanth, cellulose derivatives, polyethylene glycols, silicones, bentonites, silicic acid, talc and zinc oxide, or mixtures thereof.
- Powders and sprays can contain, in addition to the compounds of this invention, excipients such as lactose, talc, silicic acid, aluminum hydroxide, calcium silicates and polyamide powder, or mixtures of these substances.
- Sprays can additionally contain customary propellants such as chlorofluorohydrocarbons.
- Transdermal patches have the added advantage of providing controlled delivery of a compound to the body.
- dosage forms can be made by dissolving or dispensing the compound in the proper medium.
- Absorption enhancers can also be used to increase the flux of the compound across the skin.
- the rate can be controlled by either providing a rate controlling membrane or by dispersing the compound in a polymer matrix or gel.
- a therapeutic composition of the invention is formulated and administered to the patient in solid or liquid particulate form by direct administration e.g., inhalation into the respiratory system.
- Solid or liquid particulate forms of the active compound prepared for practicing the present invention include particles of respirable size: that is, particles of a size sufficiently small to pass through the mouth and larynx upon inhalation and into the bronchi and alveoli of the lungs.
- Delivery of aerosolized therapeutics, particularly aerosolized antibiotics is known in the art (see, for example U.S. Pat. No. 5,767,068 to VanDevanter et al. , U.S. Pat. No. 5,508,269 to Smith et al. , and WO 98/43650 by Montgomery , all of which are incorporated herein by reference).
- a discussion of pulmonary delivery of antibiotics is also found in U.S. Pat. No. 6,014,969 , incorporated herein by reference.
- a “therapeutically effective amount” of a compound of the invention is meant an amount of the compound which confers a therapeutic effect on the treated subject, at a reasonable benefit/risk ratio applicable to any medical treatment.
- the therapeutic effect may be objective (i.e., measurable by some test or marker) or subjective (i.e., subject gives an indication of or feels an effect).
- An effective amount of the compound described above may range from about 0.1 mg/Kg to about 500 mg/Kg, preferably from about 1 to about 50 mg/Kg. Effective doses will also vary depending on route of administration, as well as the possibility of co-usage with other agents. It will be understood, however, that the total daily usage of the compounds and compositions of the present invention will be decided by the attending physician within the scope of sound medical judgment.
- the specific therapeutically effective dose level for any particular patient will depend upon a variety of factors including the disorder being treated and the severity of the disorder; the activity of the specific compound employed; the specific composition employed; the age, body weight, general health, sex and diet of the patient; the time of administration, route of administration, and rate of excretion of the specific compound employed; the duration of the treatment; drugs used in combination or contemporaneously with the specific compound employed; and like factors well known in the medical arts.
- the total daily dose of the compounds of this invention administered to a human or other animal in single or in divided doses can be in amounts, for example, from 0.01 to 50 mg/kg body weight or more usually from 0.1 to 25 mg/kg body weight.
- Single dose compositions may contain such amounts or submultiples thereof to make up the daily dose.
- treatment regimens according to the present invention comprise administration to a patient in need of such treatment from about 10 mg to about 1000 mg of the compound(s) of this invention per day in single or multiple doses.
- the compounds of the formulae described herein can, for example, be administered by injection, intravenously, intraarterially, subdermally, intraperitoneally, intramuscularly, or subcutaneously; or orally, buccally, nasally, transmucosally, topically, in an ophthalmic preparation, or by inhalation, with a dosage ranging from about 0.1 to about 500 mg/kg of body weight, alternatively dosages between 1 mg and 1000 mg/dose, every 4 to 120 hours, or according to the requirements of the particular drug.
- the methods herein contemplate administration of an effective amount of compound or compound composition to achieve the desired or stated effect.
- the pharmaceutical compositions of this invention will be administered from about 1 to about 6 times per day or alternatively, as a continuous infusion.
- Such administration can be used as a chronic or acute therapy.
- the amount of active ingredient that may be combined with pharmaceutically excipients or carriers to produce a single dosage form will vary depending upon the host treated and the particular mode of administration.
- a typical preparation will contain from about 5% to about 95% active compound (w/w).
- such preparations may contain from about 20% to about 80% active compound.
- a maintenance dose of a compound, composition or combination of this invention may be administered, if necessary. Subsequently, the dosage or frequency of administration, or both, may be reduced, as a function of the symptoms, to a level at which the improved condition is retained when the symptoms have been alleviated to the desired level. Patients may, however, require intermittent treatment on a long-term basis upon any recurrence of disease symptoms.
- Step 2b Methyl 6-(2-chloro-5-(2-chloro-4-(methylsulfonyl)benzamido)phenyl) nicotinate (compound 1002-5)
- Step 2c 6-(2-Chloro-5-(2-chloro-4-(methylsulfonyl)benzamido)phenyl)-N-hydroxynicotinamide (compound 5)
- the obove intermediate (7 g, 0.046 mol) was added to a mixture of concentrated hydrochloric acid (15.2 mL) and CH 2 Cl 2 (60 mL). After cooling, ZnCl 2 (18.6 g, 0.138 mol) was added at 15-20°C. The mixture was stirred at 15-20°C: for 0.5 h and cooled to 5-10°C. NaNO 2 (9.5 g, 0.138 mol) was added portion wise while keeping the internal temperature 5-10°C. The reaction was continued for ⁇ 2 h. The reaction mixture was poured into ice-water (50 mL). The organic layer was separated and the aqueous phase was extracted with CH 2 Cl 2 (30 mL x 2).
- Step 3b 2-[2-Chloro-5-(2-chloro-4-methanesulfonyl-benzoylamino)-phenyl]-pyrimidi ne-5-carboxylic acid methyl ester (compound 1002-7)
- Step 3c 2-[2-Chloro-5-(2-chloro-4-methanesulfonyl-benzoylamino)-phenyl]-pyrimidi ne-5-carboxylic acid hydroxyamide (compound 7)
- Step 4b 7-(Pyridin-3-yloxy)-heptanoic acid ethyl ester (compound 2003-23)
- Step 4c 7- ⁇ 6-[2-Chloro-5-(2-chloro-4-methanesulfonyl-benzoylamino)-phenyl]-pyridi n-3-yloxy ⁇ -heptanoic acid ethyl ester (compound 2004-23)
- Step 6f 2-[4-(4-Carboxy-3-chloro-benzenesulfonyl)-piperazin-1-yl]-pyrimidine-5-carboxylic acid methyl ester (compound 4007)
- Step 6g 2- ⁇ 4-[2-Chloro-4-(4-chloro-3-pyridin-2-yl-phenylcarbamoyl)-benzenesulfonyl]-piperazin-1-yl ⁇ -pyrimidine-5-carboxylic acid methyl ester (compound 4008)
- Step 7a 3-(4-Chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl)phenylcarbamoyl)phenyl acetate (compound 5001-111)
- Step 7b N-(4-Chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl)phenyl)-3-hydroxybenzamide (compound 5002-111)
- Step 7c Ethyl-7-(3-(4-chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl)phenylcarbamoyl)phenoxy)heptanoate (compound 5003-111)
- Step 7d N-(4-Chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl)phenyl)-3-(7-(hydroxyamino)-7-oxoheptyloxy)benzamide (Compound 111)
- Step 8a 1-Bromo-4-(bromomethyl)-2-chlorobenzene (compound 6002)
- Step 8b tert-Butyl 4-bromo-3-chlorobenzyl(methyl)carbamate (compound 6003)
- Step 8c tert-Butyl 3-chloro-4-formylbenzyl(methyl)carbamate (compound 6004)
- Step 8f Ethyl2-((3-chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl)benzyl) (methyl)amino)pyrimidine-5-carboxylate (compound 6007)
- Step 8g 2-((3-Chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl)benzyl) (methyl)amino)-N-hydroxypyrimidine-5-carboxamide (compound 263)
- Step 9b 4-(N-(tert-Butoxycarbonyl)sulfamoyl)-2-chlorobenzoic acid (compound 7002)
- Step 9c tert-Butyl 3-chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl)phenyl sulfonylcarbamate (compound 7003)
- Step 9e Ethyl 2-(3-chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl)phenyl sulfonamido)pyrimidine-5-carboxylate (compound 7005)
- Step 9f 2-(3-Chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl)phenylsulfonamido) - N-hydroxypyrimidine-5-carboxamide (compound 265)
- Step 10a 2-(3-Nitrophenyl)-1,3-dioxolane (compound 8002)
- Step 10b 3-(1,3-Dioxolan-2-yl)aniline (compound 8003)
- Step 10c Methyl 4-(N-(3-(1,3-dioxolan-2-yl)phenyl)sulfamoyl)-2-chlorobenzoate (compound 8004)
- Step 10d 4-(N-(3-(1,3-Dioxolan-2-yl)phenyl)sulfamoyl)-2-chlorobenzoic acid (compound 8005)
- Step 10e 4-(N-(3-(1,3-Dioxolan-2-yl)phenyl)sulfamoyl)-2-chloro-N-(4-chloro-3-(pyridin -2-yl)phenyl)benzamide (compound 8006)
- Step 10f 2-chloro-N-(4-chloro-3-(pyridin-2-yl)phenyl)-4-(N-(3-formylphenyl) sulfamoyl)benzamide (compound 8007)
- Step 10g (E)-methyl 3-(3-(3-chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl) phenylsulfonamido)phenyl)acrylate (compound 8008)
- Step 11a tert-Butyl 4-((3-chloro-4-(methoxycarbonyl)phenylsulfonamido)methyl) piperidine-1- carboxylate (compound 9001)
- Step 11b 4-(N-((1-(tert-Butoxycarbonyl)piperidin-4-yl)methyl)sulfamoyl)-2-chlorobenzoic acid (compound 9002)
- Step 11c tert-Butyl 4-((3-chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl)phenyl sulfonamido)methyl)piperidine-1-carboxylate (compound 9003)
- Step 11e Ethyl 2-(4-((3-chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl)phenyl sulfonamido)methyl)piperidin-1-yl)pyrimidine-5-carboxylate (compound 9005)
- Step 11 f 2-(4-((3-Chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl) phenylsulfonamido)methyl)piperidin-1-yl)-N-hydroxypyrimidine-5-carboxamide (compound 90)
- Step 12a 2-Chloro-4-(N-(2-(4-(ethoxycarbonyl)phenoxy)ethyl)sulfamoyl)benzoic acid (compound 1001)
- Step 12b Ethyl 4-(2-(3-chloro-4-(4-chloro-3-(pyridin-2-yl)phenylcarbamoyl)phenyl sulfonamido)ethoxy)benzoate (compound 1002)
- Step 12c 2-Chloro-N-(4-chloro-3-(pyridin-2-yl)phenyl)-4-(N-(2-(4-(hydroxycarbamoyl)phenoxy)ethyl)sulfamoyl)benzamide (compound 266)
- Step 13d tert-Butyl 4-((5-(3-(1H-benzo[d]imidazol-2-yl)-4-chlorophenylcarbamoyl)-6-methyl pyridin-2-ylamino)methyl)piperidine-1-carboxylate (compound 1105)
- Step 13f 2-(4-((5-(3-(1H-Benzo[d]imidazol-2-yl)-4-chlorophenylcarbamoyl)-6-methylpyridin-2-ylamino)methyl)piperidin-1-yl)-N-hydroxypyrimidine-5-carboxamide (compound 91)
- Step 14f 3-Methoxy-5-((5-(methoxycarbonyl)pyrimidin-2-ylamino)methyl)benzoic acid (compound 1207)
- Step 14g Methyl 2-(3-(4-chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl)phenyl carbamoyl)-5-methoxybenzylamino)pyrimidine-5-carboxylate (compound 1208)
- Step 14h 2-(3-(4-Chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl)phenylcarbamoyl)-5-methoxybenzylamino)-N-hydroxypyrimidine-5-carboxamide (compound 258)
- Step 15b Methyl 3-((tert-butoxycarbonyl(methyl)amino)methyl)-5-methoxybenzoate (compound 1302)
- Step 15d tert-Butyl 3-(4-chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl) phenylcarbamoyl)-5-methoxybenzyl(methyl)carbamate (compound 1304)
- Step 15e N-(4-Chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl)phenyl)-3-methoxy-5-((methylamino)methyl)benzamide (compound 1305)
- Step 15f Ethyl 2-((3-(4-chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl)phen ylcarbamoyl)-5-methoxybenzyl)(methyl)amino)pyrimidine-5-carboxylate (compound 1306)
- Step 15g 2-((3-(4-Chloro-3-(5-(dimethylamino)-1H-benzo[d]imidazol-2-yl)phenylcarbamoyl)-5-methoxybenzyl)(methyl)amino)-N-hydroxypyrimidine-5-carboxamide (compound 259)
- EXAMPLE 16 An in vitro assay which determines the ability of a test compound to inhibit HDAC enzymatic activity
- HDAC inhibitory activity was assessed using the Biomol Color de Lys system (AK-500, Biomol, Plymouth Meeting, PA). Briefly, HeLa cell nuclear extracts were used as a source of HDACs. Different concentrations of test compounds were serially diluted in dimethylsulfoxide (DMSO) and added to HeLa cell nuclear extracts in the presence of a colorimetric artificial substrate. Final assay conditions contained 50 mM Tris/Cl, pH 8.0, 137 mM NaCl, 2.7 mM KCl and 1 mM MgCl 2 . Reactions were carried out at room temperature (25°C) for 1 hour before addition of developer for termination.
- DMSO dimethylsulfoxide
- Relative enzyme activity was measured in the WALLAC Victor II 1420 microplate reader as fluorescence intensity (excitation: 350-380 nm; emission: 440-460 nm). Data were analyzed using GraphPad Prism (v4.0a) with a sigmoidal dose response curve fitting for 1C50 calculation.
- EXAMPLE 17 An in vitro assay which determines the ability of a test compound to inhibit Hedgehog signalling
- 10T1/2 (s12) cells were planted in a 96-well micro-titer plate (MTP) at 20,000 cells/well in full medium [DMEM with 10% FBS]. Then plates were placed in the incubator for incubation overnight (O/N), at 37 °C and 5% CO 2 . After 24 h, the medium was replaced with Luciferase-assay medium (DMEM with 0.5% FBS). Test compounds were thawed and diluted in assay medium at 3:1000 (about 300-fold) resulting in a starting concentration of about 0.0003 uM to 30 uM.
- results of the HDAC inhibition and Hedgehog inhibition assays described in Examples 16 and 17, respectively, are set forth in the table below, which indicates the IC50 determined in each assay as follows: I > 1000 nM; 1000nM ⁇ II > 100 nM; 100 nM ⁇ III > 10 nM; 10 nM ⁇ IV > 1 nM; 1 nM ⁇ V.
- EXAMPLE 18 An in vitro assay which determines the ability of a test compound to inhibit binding of Hedgehog to Smoothened
- Membranes are prepared as follows. Briefly, approximately 10 8 cells are transfected with pCMV6-XL5 constructs bearing human Smoothened (OriGene) using Fugene 6 (Roche).
- filtration binding assays are performed according to standard protocols. Briefly, a test compound is incubated for 1 hour at room temperature in the following binding buffer (50mm Tris 7.5, 5 mM MgCl 2 , 1 mM EDTA, 0.1% BSA) containing cell membrane lysate, [ 3 H]-Hh-Ag 1.5 and protease inhibitors.
- reaction After incubation, the reaction is transferred to a 96-well filter plate, vacuum is applied to pull down the reaction buffer, the wells are washed twice and scintillation solution is added. The reactions are read on a Top Count microplate reader to determine the fraction of [ 3 H]-Hh-Ag 1.5 bound to the smoothened containing membrane preparation.
Abstract
Description
- This application claims the benefit of
U.S. Provisional Application No. 61/429,350, filed on January 3, 2011 U.S. Provisional Application No. 61/564,549, filed on November 29, 2011 - Hedgehog (Hh) protein was first identified in Drosophila melanogaster as a segment-polarity gene involved in embryo patterning (Nusslein-Voihard et al., Roux. Arch. Dev. Biol., 193: 267-282 (1984)). Three orthologs of Drosophila hedgehog (Sonic, Desert and Indian) were later found to occur in all vertebrates, including fish, birds and mammals. Desert hedgehog (DHh) is expressed principally in the testes, both in mouse embryonic development and in the adult rodent and human; Indian hedgehog (IHh) is involved in bone development during embryogenesis and in bone formation in the adult; and, Sonic hedgehog (SHh) is expressed at high levels in the notochord and floor plate of developing vertebrate embryos. In vitro explant assays as well as ectopic expression of SHh in transgenic animals have shown that SHh plays a key role in neuronal tube patterning (Echelard et al., Cell, 75:1417-1430 (1993); Ericson et al., Cell, 81: 747-56 (1995); Marti et al., Nature, 375: 322-5 (1995); Krauss et al., Cell, 75: 1432-44 (1993); Riddle et al., Cell, 75: 1401-16 (1993); Roelink et al., Cell, 81: 445-55 (1995); Hynes et al., Neuron, 19: 15-26 (1997)). Hh also plays a role in the development of limbs (Krauss et al., Cell, 75: 143-144 (1993); Laufer et al., Cell, 79: 993-1003 (1994)), somites (Fan and Tessier-Lavigne, Cell, 79: 1175-86 (1994); Johnson et al., Cell, 79: 1165-73 (1994)), lungs (Bellusci et al., Develop., 124: 53-63 (1997) and skin (Oro et al., Science, 276: 817-21 (1997)).
- Likewise, IHh and DHh are involved in bone, gut and germinal cell development (Apelqvist et al., Curr. Biol., 7: 80 1-4 (1997); Bellusci et al., Development, 124: 53-63 (1997); Bitgood et al., Curr. Biol., 6: 298-304 (1996); Roberts et al., Development, 121: 3163-74 (1995)).
- Human SHh is synthesized as a 45 kDa precursor protein which is autocatalytically cleaved to yield a 20 kDa N-terminal fragment that is responsible for normal hedgehog signaling activity; and a 25 kDa C- terminal fragment that is responsible for autoprocessing activity in which the N-terminal fragment is conjugated to a cholesterol moiety (Lee, J.J., et al. (1994) Science, 266: 1528- 1536; Bumcrot, D.A., et al. (1995), Mol. Cell Biol., 15 : 2294-2303; Porter, J.A., et al. (1995) Nature, 374: 363-366). The N-terminal fragment consists of amino acid residues 24-197 of the full-length precursor sequence which remains membrane- associated through the cholesterol at its C-terminus (Porter, J.A., et al. (1996) Science, 274: 255-258; Porter, J.A., et al. (1995) Cell, 86(2): 1-34). Cholesterol conjugation is responsible for the tissue localization of the hedgehog signal.
- At the cell surface, the Hh signal is thought to be relayed by the 12 transmembrane domain protein Patched (Ptc) (Hooper and Scott, Cell, 59: 751-65 (1989); Nakano et al., Nature, 341: 508-13 (1989)) and the G- protein-coupled-like receptor Smoothened (Smo) (Alcedo et al., Cell, 86(22): 1-232 (1996); van den Heuvel and Ingham, Nature, 382: 547-551 (1996)). Both genetic and biochemical evidence support a receptor model where Ptc and Smo are part of a multicomponent receptor complex (Chen and Struhl, Cell, 87: 553-63 (1996); Marigo et al., Nature, 384: 176-9 (1996); Stone et al., Nature, 384: 129-34 (1996)). Upon binding of Hh to Ptc, the normal inhibitory effect of Ptc on Smo is relieved, allowing Smo to transduce the Hh signal across the plasma membrane. However, the exact mechanism by which Ptc controls Smo activity has yet to be clarified.
- The signaling cascade initiated by Smo results in activation of Gli transcription factors that translocate into the nucleus where they control transcription of target genes. Gli has been shown to influence transcription of Hh pathway inhibitors such as Ptc and Hip 1 in a negative feedback loop indicating that tight control of Hh pathway activity is required for proper cellular differentiation and organ formation.
- Hedgehog pathway signaling has been implicated in tumorigenesis when reactivated in adult tissues through sporadic mutations or other mechanisms. Three mechanisms have been proposed for the Hedgehog pathway's involvement in cancer: Type 1 cancers are caused by loss-of-function mutations in Patched 1 (PTCH1) or gain-of-function mutations in Smoothened (SMOH) lead to constitutive Hedgehog (Hh) pathway activation. Type 2 cancers rely on an autocrine model in which tumor cells themselves produce and respond to Hh ligand. Type 3 is a paracrine model in which tumor cells produce Hh ligand and surrounding stromal cells respond by producing additional growth factors to support tumor growth or survival, for example, IGF (Insulin-Like Growth Factor) and VEGF (Vascular Endothelial Growth Factor) (Rubin, L.L. and de Sauvage, F.J. Nature Rev. Drug Discovery, 5: 1026-1033 (2006)).
- Dysfunctional Ptc gene mutations have also been associated with a large percentage of sporadic basal cell carcinoma tumors (Chidambaram et al., Cancer Research, 56: 4599-601 (1996); Gailani et al., Nature Genet., 14: 78- 81 (1996); Haim et al., Cell, 85: 841-51 (1996); Jolmson et al., Science, 272: 1668-71 (1996); Unden et al., Cancer Res., 56: 4562-5; Wickingetal., Am. J. Hum. Genet., 60: 21-6 (1997)). Loss of Ptc function is thought to cause an uncontrolled Smo signaling in basal cell carcinoma. Similarly, activating Smo mutations have been identified in sporadic BCC tumors (Xie et al., Nature, 391: 90-2 (1998)), emphasizing the role of Smo as the signaling subunit in the receptor complex for SHh.
- The development of resistance to Shh pathway inhibitors has been observed in animal tumor models (Buonamici, S. et al., Science Trans. Med., 2010, 2: 51ra70; Osherovich, L. SciBX 2010, 3(40)) and in humans (Yauch, R. et al, Science, 2009). Several mechanisms for resistance were identified, including SMO mutations, Gli2 amplification and upregulation of the IGF-1R-PI3K signaling pathway.
- Various inhibitors of hedgehog signaling have been investigated. The first Hedgehog signaling inhibitor to be discovered was cyclopamine, a natural alkaloid that has been shown to arrest cell cycle at G0-G1 and to induce apoptosis in SCLC. A number of synthetic small molecule Hedgehog pathway inhibitors are currently under development (Trembley, M.R. et al., Expert Opin. Ther. Patents, 19(8):1039-56 (2009)). Despite advances with these and other compounds, there remains a need for potent inhibitors of the hedgehog signaling pathway.
- Histone acetylation is a reversible modification, with deacetylation being catalyzed by a family of enzymes termed histone deacetylases (HDACs). HDAC's are represented by 18 genes in humans and are divided into four distinct classes (J. Mol Biol, 2004, 338(1): 17-31). In mammalians class I HDAC's (HDAC1-3, and HDAC8) are related to yeast RPD3 HDAC, class 2 HDAC's (HDAC4-7, HDAC9 and HDAC10) are related to yeast HDAC1, class 4 (HDAC11), and class 3 HDAC's (a distinct class encompassing the sirtuins) are related to yeast Sir2.
- Csordas (Biochem. J., 1990, 286: 23-38) teaches that histones are subject to post-translational acetylation of the ε-amino groups of N-terminal lysine residues, a reaction that is catalyzed by histone acetyl transferase (HAT1). Acetylation neutralizes the positive charge of the lysine side chain, and is thought to impact chromatin structure. Indeed, access of transcription factors to chromatin templates is enhanced by histone hyperacetylation, and enrichment in underacetylated histone H4 has been found in transcriptionally silent regions of the genome (Taunton et al., Science, 1996, 272:408-411). In the case of tumor suppressor genes, transcriptional silencing due to histone modification can lead to oncogenic transformation and cancer.
- Several classes of HDAC inhibitors currently are marketed or under evaluation in clinical trials. Examples include the hydroxamic acid derivatives suberoylanilide hydroxamic acid (SAHA) and Romidepsin, which are marketed, and PXD101, LH-589 and LAQ824, which are currently in clinical development. In the benzamide class of HDAC inhibitors, MS-275, MGCD0103 and CI-994 are currently being investigated in clinical trials. Mourne et al. (Abstract #4725, AACR 2005), demonstrate that thiophenyl modification of benzamides significantly enhances HDAC inhibitory activity against HDAC1.
- In addition, recent studies have shown that the acetylation of Gli proteins functions as a key transcriptional checkpoint of Hedgehog signaling. It was found that an autoregulatory loop exists whereby Shh increases HDAC1 levels and HDAC1 in turn enhances Hh-induced signal activation by deacetylation of Gli1 and Gli2. Moreover, inhibitors of class 1 HDACs suppress Gli1 and Gli2 activation, thus suppressing Hh-dependent growth of neural progenitors and tumor cells. (Canettieri, G. et al., Nature Cell Biology, 2010, 12: 132 -142).
- Certain cancers have been effectively treated with agents targeting multiple signaling pathways. A recent study demonstrated that the combined targeting of HDACs and Hh signaling enhanced cytotoxicity in pancreatic adenocarcinoma. (Chun, S. et al., Cancer Biol. & Therapy, 2009, 8(14): 1328-1339). However, treatment regimes using a cocktail of cytotoxic drugs often are limited by dose limiting toxicities and drug-drug interactions. More recent advances with molecularly targeted drugs have provided some new approaches to combination treatment for cancer, allowing multiple targeted agents to be used simultaneously, or combining these new therapies with standard chemotherapeutics or radiation to improve outcome without reaching dose limiting toxicities. However, in many cases, dose-limiting toxicities are reached before pharmacologically meaningful levels of exposure are achieved, and the ability to use such combinations currently is limited to drugs that show compatible pharmacokinetic and pharmacodynamic properties. In addition, the regulatory requirements to demonstrate safety and efficacy of combination therapies can be more costly and lengthy than corresponding single agent trials. Once approved, combination strategies may also be associated with increased costs to patients, as well as decreased patient compliance.
- The present invention relates to hedgehog antagonist compounds having zinc-binding moieties and their use in the treatment of hedgehog and HDAC related diseases and disorders such as cancer and other diseases and disorders characterized by uncontrolled cell proliferation. The compounds of the present invention act as HDAC inhibitors by virtue of their ability to bind zinc ions and as inhibitors of the Hedgehog signaling pathway. Combining hedgehog antagonism and HDAC inhibition into a single molecule may provide a synergistic effect in therapeutic applications, and in particular, to the treatment of cancer.
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- Ring A is an aromatic, saturated or partially unsaturated carbocycle; preferably a monocyclic, bicyclic or polycyclic C3-C12-carbocycle;
- E is substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;
- L is substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;
- Q is substituted or unsubstituted aryl; substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;
- G is substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;
- K is halogen, preferably Cl;
- X is absent, -O-, -N(R2)-, -S-, -S(O)-, -S(O)2-, -C(O)-,-C(O)O-, -OC(O)-, -C(O)N(R2)-, - N(R2)C(O)-, -S(O)2N(R2)-, or -N(R2)S(O)2-;
- R2 is hydrogen or aliphatic, preferably hydrogen or C1-C6-alkyl, and more preferably hydrogen or methyl;
- n is 0 or 1;
- B is a bond or a linker; and
- D is selected from:
- (a)
- (b)
- (c)
- (d)
- (a)
- Another aspect of the invention provides methods of inhibiting hedgehog signaling activity in a cell, by contacting the cell with an effective hedgehog inhibitory amount of a compound of Formula I or Formula II, or a stereoisomer, geometric isomer, tautomer, solvate, metabolite, or pharmaceutically acceptable salt or prodrug thereof.
- Another aspect of the invention provides methods of inhibiting HDAC activity in a cell, by contacting the cell with an effective HDAC inhibitory amount of a compound of Formula I or Formula II, or a stereoisomer, geometric isomer, tautomer, solvate, metabolite, or pharmaceutically acceptable salt or prodrug thereof.
-
-
- In an embodiment, the compounds of the invention are represented by Formula VII or VIII:
- In an embodiment, the compounds of the invention are represented by Formula IX or X:
-
- one of W1-W5 is C(X-B-D) and the others are each independently N or CR3, provided that no more than three of W1-W5 are N;
- each R3 is independently selected from hydrogen, hydroxy, amino, halogen, alkoxy, alkylamino, dialkylamino, CF3, CN, NO2, sulfonyl, acyl, aliphatic, substituted aliphatic, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocyclic, and substituted heterocyclic; and
- X, B and D have the meanings given for these variables above.
- In preferred embodiments of the compounds of Formula XI, E is substituted or unsubstituted pyridyl, such as substituted or unsubstituted pyid-2-yl, pyrid-3-yl or pyrid-4-yl, or substituted or unsubstituted benzimidazolyl, such as substituted or unsubstituted benzimidazol-2-yl. In particularly preferred embodiments, E is selected from the groups set forth below:
-
-
- X1-X5 are each independently selected from N and CR3, provided that at least two of X1-X5 are CR3; and
- Q, D, B, X and R3 have the meanings given for these variables above.
- In preferred embodiments of the compounds of Formula XII, Q is substituted or unsubstituted pyridyl, substituted or unsubstituted pyrimidyl or substituted or unsubstituted benzimidazolyl. In particularly preferred embodiments, Q is selected from the groups below,
- In other preferred embodiments of the compounds of Formula XII, the group
- In a preferred embodiment, the bivalent B is a direct bond or straight- or branched-, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, arylallcyl, aiylalkenyl, arylalkynyl, heteroarylalkyl, heteroarylalkenyl, heteroarylalkynyl, heterocyclylalkyl, heterocyclylalkenyl, heterocyclylalkynyl, aryl, heteroaryl, heterocyclyl, cycloalkyl, cycloalkenyl, alkylarylalkyl, alkylarylalkenyl, alkylarylalkynyl, alkenylarylalkyl, alkenylarylalkenyl, alkenylarylalkynyl, alkynylarylalkyl, alkynylarylalkenyl, alkynylarylalkynyl, alkylheteroarylalkyl, alkylheteroarylalkenyl, alkylheteroarylalkynyl, alkenylheteroarylalkyl, alkenylheteroarylalkenyl, alkenylheteroarylalkynyl, alkynylheteroarylalkyl, alkynylheteroarylalkenyl, alkynylheteroarylalkynyl, alkylheterocyclylalkyl, alkylheterocyclylalkenyl, alkylhererocyclylalkynyl, alkenylheterocyclylalkyl, alkenylheterocyclylalkenyl, alkenylheterocyclylalkynyl, alkynylheterocyclylalkyl, alkynylheterocyclylalkenyl, alkynylheterocyclylalkynyl, alkylalyl, alkenylaryl, alkynylaryl, alkylheteroaryl, alkenylheteroaryl, or alkynylheteroaryl, in which groups one or more methylenes can be interrupted or terminated by O, S, S(O), SO2, N(R2), C(O), substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, or substituted or unsubstituted heterocyclic; such divalent B linkers include but are not limited to alkyl, alkenyl, alkynyl, alkylaryl, alkenylaryl, alkynylaryl, alkylheterocyclylaryl, alkylheterocyclylarylalkyl, alkylheterocyclylheteroaryl, alkylheterocyclylheteroarylalkyl, alkoxyaryl, alkylaminoaryl, alkoxyalkyl, alkylaminoalkyl, alkylheterocycloalkyl, alkylheteroarylalkyl, alkylamino, aryl, heteroaryl, heterocyclyl, N(R2)alkenyl, N(R2)alkynyl, N(R2)alkoxyalkyl, N(R2)alkylaminoalkyl, N(R2)alkylaminocarbonyl, N(R2)alkylaryl, N(R2)alkenylaryl, N(R2)alkynylaryl, N(R2)alkoxyaryl, N(R2)alkylaminoaryl, N(R2)cycloalkyl, N(R2)aryl, N(R2)heteroaryl, N(R2)heterocycloalkyl, N(R2)alkylheterocycloalkyl, alkoxy, O-alkenyl, O-alkynyl, O-alkoxyalkyl, O-alkylaminoalkyl, O-alkylaminocarbonyl, O-alkylaryl, O-alkenylaryl, O-alkynylaryl, O-alkoxyaryl, O-alkylaminoaryl, O-cycloalkyl, O-aryl, O-heteroaryl, O-heterocycloalkyl, O-alkylheterocycloalkyl, C(O)alkyl, C(O)-alkenyl, C(O)alkynyl, C(O)alkylaryl, C(O)alkenylaryl, C(O)alkynylaryl, C(O)alkoxyalkyl, C(O)alkylaminoalkyl, C(O)alkylaminocarbonyl, C(O)cycloalkyl, C(O)aryl, C(O)heteroaryl, C(O)heterocycloalkyl, CON(R2), CON(R2)alkyl, CON(R2)alkenyl, CON(R2)alkynyl, CON(R2)alkylaryl, CON(R2)alkenylaryl, CON(R2)alkynylaryl, CON(R2)alkoxyalkyl, CON(R2)alkylaminoalkyl, CON(R2)alkylaminocarbonyl, CON(R2)alkoxyaryl, CON(R2)alkylaminoaryl, CON(R2)cycloalkyl, CON(R2)aryl, CON(R2)heteroaryl, CON(R2)heterocycloalkyl, CON(R2)alkylheterocycloalkyl, N(R2)C(O)alkyl, N(R2)C(O)alkenyl, N(R2)C(O)- alkynyl, N(R2)C(O)alkylaryl, N(R2)C(O)alkenylaryl, N(R2)C(O)alkynylalyl, N(R2)C(O)alkoxyalkyl, N(R2)C(O)alkylaminoalkyl, N(R2)C(O)alkylaminocarbonyl, N(R2)C(O)alkoxyaryl, N(R2)C(O)alkylaminoaryl, N(R2)C(O)cycloalkyl, N(R2)C(O)aryl, N(R2)C(O)heteroaryl, N(R2)C(O)heterocycloalkyl, N(R2)C(O)alkylheterocycloalkyl, NHC(O)NH, NHC(O)NH-alkyl, NHC(O)NH-alkenyl, NHC(O)NH-alkynyl, NHC(O)NH-alkylaryl, NHC(O)NH-alkenylaryl, NHC(O)NH-alkynylaryl, NHC(O)NH-alkoxyaryl, NHC(O)NH-alkylaminoaryl, NHC(O)NH-cycloalkyl, NHC(O)NH-aryl, NHC(O)NH-heteroaryl, NHC(O)NH-heterocycloalkyl, NHC(O)NH-alkylheterocycloalkyl, S-alkyl, S-alkenyl, S-alkynyl, S-alkoxyalkyl, S-alkylaminoalkyl, S-alkylaryl, S-alkylaminocarbonyl, S-alkylaryl, S-alkynylaryl, S-alkoxyaryl, S-alkylaminoaryl, S-cycloalkyl, S-aryl, S-heteroaryl, S-heterocycloalkyl, S-alkylheterocycloalkyl, S(O)alkyl, S(O)alkenyl, S(O)alkynyl, S(O)alkoxyalkyl, S(O)alkylaminoalkyl, S(O)alkylaminocarbonyl, S(O)alkylaryl, S(O)alkenylaryl, S(O)alkynylaryl, S(O)allcoxyaryl, S(O)alkylaminoaryl, S(O)cycloalkyl, S(O)aryl, S(O)heteroaryl, S(O)heterocycloalkyl, S(O)alkylheterocycloalkyl, S(O)2alkyl, S(O)2alkenyl, S(O)2alkynyl, S(O)2alkoxyalkyl, S(O)2alkylaminoalkyl, S(O)2alkylaminocarbonyl, S(O)2alkylaryl, S(O)2alkenylaryl, S(O)2alkynylaryl, S(O)2alkoxyaryl, S(O)2alkylaminoaryl, S(O)2cycloalkyl, S(O)2aryl, S(O)2heteroaryl, S(O)2heterocycloalkyl, S(O)2alkylheterocycloalkyl, S(O)2heterocyclylalkyl, S(O)2heterocyclylalkenyl, S(O)2heterocyclylalkynyl, SO2NH, SO2NH-alkyl, SO2NH-alkenyl, SO2NH-alkynyl, SO2NH-alkylaryl, SO2NH-alkenylaryl, SO2NH-alkynylaryl, SO2NH-cycloalkyl, SO2NH-aryl, SO2NH-heteroaryl, SO2NH-heterocycloalkyl, SO2NH-alkylheterocycloalkyl, alkylaryloxyalkoxy, alkylaryloxyalkylamino, alkylarylaminoalkoxy, alkylarylaminoalkylamino, alkylarylalkylaminoalkoxy, alkylarylalkylaminoalkoxy, alkenylaryloxyalkoxy, alkenylaryloxyalkylamino, alkenylarylaminoalkoxy, alkenylarylaminoalkylamino, alkenylarylalkylaminoalkoxy, alkenylarylalkylaminoalkylamino.
- In a more preferred embodiment, B is a straight chain alkyl, alkenyl, alkynyl, arylalkyl, arylalkenyl, arylalkynyl, heteroarylalkyl, heteroarylalkenyl, heteroarylalkynyl, heterocyclylalkyl, heterocyclylalkenyl, heterocyclylalkynyl, aryl, heteroaryl, heterocyclyl, cycloalkyl, cycloalkenyl, alkylarylalkyl, alkylarylalkenyl, alkylarylalkynyl, alkenylarylalkyl, alkenylarylalkenyl, alkenylarylalkynyl, alkynylarylalkyl, alkynylarylalkenyl, alkynylarylalkynyl, alkylheteroarylalkyl, alkylheteroarylalkenyl, alkylheteroarylalkynyl, alkenylheteroarylalkyl, alkenylheteroarylalkenyl, alkenylheteroarylalkynyl, alkynylheteroarylalkyl, alkynylheteroalylalkenyl, alkynylheteroarylalkynyl, alkylheterocyclylalkyl, alkylheterocyclylalkenyl, alkylhererocyclylalkynyl, alkenylheterocyclylalkyl, alkenylheterocyclylalkenyl, alkenylheterocyclylalkynyl, alkynylheterocyclylalkyl, alkynylheterocyclylalkenyl, alkynylheterocyclylalkynyl, alkylaryl, alkenylaryl, alkynylaryl, alkylheteroaryl, alkenylheteroaryl, or alkynylhereroaryl. In these linkers, one or more methylenes can be interrupted or terminated by -O-, -N(R2)-, -C(O)-, -C(O)N(R2)-, or -C(O)O-.
- In one embodiment, the linker B is between 1-24 carbon atoms, preferably 4-24 carbon atoms, preferably 4-18 carbon atoms, more preferably 4-12 carbon atoms, and most preferably about 4-10 carbon atoms.
- In a preferred embodiment, B is selected from straight chain C1-C10 alkyl, C1-C10 alkenyl, C1-C10 alkynyl, C1-C10 alkoxy, alkoxyC1-C10alkoxy, C1-C10 alkylamino, alkoxyC1-C10alkylamino, C1-C10 alkylcarbonylamino, C1-C10 alkylaminocarbonyl, aryloxyC1-C10alkoxy, aryloxyC1-C10alkylamino, aryloxyC1-C10alkylamino carbonyl, C1-C10-alkylaminoalkylaminocarbonyl, C1-C10 alkyl(N-alkyl)aminoalkyl-aminocarbonyl, alkylaminoalkylamino, alkylcarbonylaminoalkylamino, alkyl(N-alkyl)aminoalkylamino, (N-alkyl)alkylcarbonylaminoalkylamino, alkylaminoalkyl, alkylaminoalkylaminoalkyl, alkylpiperazinoalkyl, piperazinoalkyl, alkylpiperazino, alkenylaryloxyC1-C10atkoxy, alkenylarylaminoC1-C10alkoxy, alkenylaryllalkylaminoC1-C10alkoxy, alkenylaryloxyC1-C10alkylamino, alkenylaryloxyC1-C10alkylaminocarbonyl, piperazinoalkylaryl, heteroarylC1-C10alkyl, heteroarylC2-C10alkenyl, heteroarylC2-C10alkynyl, heteroarylC1-C10alkylamino, heteroarylC1-C10alkoxy, heteroaryloxyC1-C10alkyl, heteroaryloxyC2-C10alkenyl, heteroaryloxyC2-C10alkynyl, heteroaryloxyC1-C10alkylamino, heteroaryloxyC1-C10alkoxy. In the most preferred embodiments, the D group is attached to B via an aliphatic moiety carbon chain, an aryl group or a heteroaryl group within B.
- In another preferred embodiment, B is a direct bond, aryl, heteroaryl, C2-C10-alkyl, C2-C10-alkenyl, aryl-C2-C10-alkyl, aryl-C2-C10-alkenyl, aryloxy-C1-C10-alkyl, heterocyclylheteroaryl, C1-C10-alkylheterocyclylheteroaryl, or C1-C10-alkylaminoheteroaryl.
- It is understood that alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, heterocyclyl and the like can be further substituted.
- In certain embodiments, the compounds of Formulas I and II are represented by Formulas XIII and XIV, respectively:
- Specific compounds of the invention are set forth in the Table below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19: n=1; 20: n=2; 21: n=3; 22: n=4; 23: n=5; 24: n=6 25: n=1; 26: n=2; 27: n=3; 28: n=4; 29: n=5; 30: n=6 31: n=1; 32: n=2; 33: n=3; 34: n=4; 35: n=5; 36: n=6 37: n=1; 38: n=2; 39: n=3; 40: n=4; 41: n=5; 42: n=6 43: n=1; 44: n=2; 45: n=3; 46: n=4; 47: n=5; 48: n=6 49: n=1; 50: n=2; 51: n=3; 52: n=4; 53: n=5; 54: n=6 55: n=1; 56: n=2; 57: n=3; 58: n=4; 59: n=5; 60: n=6 61: n=1; 62: n=2; 63: n=3; 64: n=4; 65: n=5; 66: n=6 67: n=1; 68: n=2; 69: n=3; 70: n=4; 71: n=5; 72: n=6 73: n=1; 74: n=2; 75: n=3; 76: n=4; 77: n=5; 78: n=6 79: n=1; 80: n=2; 81: n=3; 82: n=4; 83: n=5; 84: n=6 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107: n=1; 108: n=2; 109: n=3; 110: n=4; 111: n=5; 112: n=6 113 : n=1; 114 : n=2; 115 : n=3; 116: n=4; 117: n=5; 118: n=6 119: n=1; 120: n=2; 121: n=3; 122: n=4; 123: n=5; 124: n=6 125: n=1; 126: n=2; 127: n=3; 128: n=4; 129: n=5; 130: n=6 131: n=1; 132: n=2; 133: n=3; 134: n=4; 135: n=5; 136: n=6 137: n=1; 138: n=2; 139: n=3; 140: n=4; 141: n=5; 142: n=6 143: n=1; 144: n=2; 145: n=3; 145: n=4; 147: n=5; 148: n=6 149: n=1; 150: n=2; 151: n=3; 152: n=4; 153: n=5; 154: n=6 155: n=1; 156: n=2; 157: n=3; 158: n=4; 159: n=5: 160: n=6 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177: n=1; 178: n=2; 179: n=3; 180: n=4; 181: n=5; 182: n=6 183: n=1; 184: n=2; 185: n=3; 186: n=4; 187: n=5; 188: n=6 189: n=1; 190: n=2; 191: n=3; 192: n=4; 193: n=5; 194: n=6 195: n=1; 196: n=2; 197: n=3; 198: n=4; 199: n=5; 200: n=6 201: n=1; 202: n=2; 203: n=3; 204: n=4; 205: n=5; 206: n=6 207: n=1; 208: n=2; 209: n=3; 210: n=4; 211: n=5; 212: n=6 213: n=1; 214: n=2; 215: n=3; 216: n=4; 217: n=5; 218: n=6 219: n=1; 220: n=2; 221: n=3; 222: n=4; 223: n=5; 224: n=6 225: n=1; 226: n=2; 227: n=3; 228: n=4; 229: n=5; 230: n=6 231: n=1; 232: n=2; 233: n=3; 234: n=4; 235: n=5; 236: n=6 237: n=1; 238: n=2; 239: n=3; 240: n=4; 241: n=5; 242: n=6 243: n=1; 244: n=2; 245: n=3; 246: n=4; 247: n=5; 248: n=6 249 250 251 252 253 254 255 256: R=H; 257: R=Me 258: R=H; 259: R=Me 260: R=H; 261: R=Me 262: R=H; 263: R=Me 264 265 266 267 - The invention further provides methods for the prevention or treatment of hedgehog-related diseases or disorders, and in particular, diseases or disorders involving aberrant proliferation, differentiation or survival of cells. In one embodiment, the invention further provides for the use of one or more compounds of the invention in the manufacture of a medicament for halting or decreasing diseases involving aberrant proliferation, differentiation, or survival of cells. In preferred embodiments, the disease is cancer. In one embodiment, the invention relates to a method of treating cancer in a subject in need of treatment comprising administering to said subject a therapeutically effective amount of a compound of the invention. In another embodiment, the invention further provides methods for the prevention or treatment of non-cancer hedgehog-related diseases or disorders, such as psoriasis. The compounds of the invention can also be used to treat diseases or disorders associated with aberrant or uncontrolled angiogenesis, including macular degeneration, diabetic retinopathy, retinopathy of prematurity, rheumatoid arthritis and obesity. In addition, compounds of the invention may be used to down-regulate hair growth.
- By virtue of the dual HDAC and Hedgehog inhibitory activities of the compounds of the present invention, the invention further provides a method for treating certain cancers which are resistant to the action of Hedgehog pathway signaling inhibitors alone. Such resistance may be characterized by one or more mutations in proteins involved in the Hedgehog signaling cascade above the level of Gli transcription activation. The present compounds having HDAC inhibiting activity may nonetheless be useful for treating cancers having increased hedgehog levels by inhibiting the deacetylation of the Gli1 and Gli2 transcription activators.
- The term "cancer" refers to any cancer caused by the proliferation of malignant neoplastic cells, such as tumors, neoplasms, carcinomas, sarcomas, leukemias, lymphomas and the like. For example, cancers include, but are not limited to, mesothelioma, leukemias and lymphomas such as cutaneous T-cell lymphomas (CTCL), noncutaneous peripheral T-cell lymphomas, lymphomas associated with human T-cell lymphotrophic virus (HTLV) such as adult T-cell leukemia/lymphoma (ATLL), B-cell lymphoma, acute nonlymphocytic leukemias, chronic lymphocytic leukemia, chronic myelogenous leukemia, acute myelogenous leukemia, lymphomas, and multiple myeloma, non-Hodgkin lymphoma, acute lymphatic leukemia (ALL), chronic lymphatic leukemia (CLL), Hodgkin's lymphoma, Burkitt lymphoma, adult T-cell leukemia lymphoma, acute-myeloid leukemia (AML), chronic myeloid leukemia (CML), or hepatocellular carcinoma. Further examples include myelodisplastic syndrome, childhood solid tumors such as brain tumors, neuroblastoma, retinoblastoma, Wilms' tumor, bone tumors, and soft-tissue sarcomas, common solid tumors of adults such as head and neck cancers (e.g., oral, laryngeal, nasopharyngeal and esophageal), genitourinary cancers (e.g., prostate, bladder, renal, uterine, ovarian, testicular), lung cancer (e.g., small-cell and non small cell), breast cancer, pancreatic cancer, melanoma and other skin cancers, stomach cancer, brain tumors, tumors related to Gorlin's syndrome (e.g., medulloblastoma, meningioma, etc.), and liver cancer. Additional exemplary forms of cancer which may be treated by the subject compounds include, but are not limited to, cancer of skeletal or smooth muscle, stomach cancer, cancer of the small intestine, rectum carcinoma, cancer of the salivary gland, endometrial cancer, adrenal cancer, anal cancer, rectal cancer, parathyroid cancer, and pituitary cancer.
- In preferred embodiments, the cancer is associated with aberrant hedgehog signaling, for example, when Patched fails to, or inadequately, represses Smoothened (Ptc loss of function phenotype) and/or when Smoothened is active regardless of Patched repression (Smo gain-of function phenotype) and/or when the Hedgehog ligand is upregulated regardless of patched or smoothened mutational status. Examples of such cancer types include basal cell carcinoma, neuroectodermal tumors, such as medulloblastoma, meningioma, hemangioma, glioblastoma, pancreatic adenocarcinoma, squamous lung carcinoma, small cell lung cancer, non-small cell lung cancer, ovarian cancer, prostate cancer, liver cancer, chondrosarcoma, breast carcinoma, rhabdomyosarcoma, esophageal cancer, stomach cancer, biliary tract cancer, renal carcinoma and thyroid carcinoma. Furthermore, compounds of the invention may be useful in the treatment of hematologic tumors such as leukemias, lymphomas and myelomas as listed above.
- Additional cancers that the compounds described herein may be useful in treating are, for example, colon carcinoma, familiary adenomatous polyposis carcinoma and hereditary non-polyposis colorectal cancer, or melanoma. Further, cancers include, but are not limited to, labial carcinoma, larynx carcinoma, hypopharynx carcinoma, tongue carcinoma, salivary gland carcinoma, gastric carcinoma, adenocarcinoma, thyroid cancer (medullary and papillary thyroid carcinoma), renal carcinoma, kidney parenchyma carcinoma, cervix carcinoma, uterine corpus carcinoma, endometrium carcinoma, chorion carcinoma, testis carcinoma, urinary carcinoma, melanoma, brain tumors such as glioblastoma, astrocytoma, meningioma, medulloblastoma and peripheral neuroectodermal tumors, gall bladder carcinoma, bronchial carcinoma, multiple myeloma, basalioma, teratoma, retinoblastoma, choroidea melanoma, seminoma, rhabdomyosarcoma, craniopharyngeoma, osteosarcoma, chondrosarcoma, myosarcoma, liposarcoma, fibrosarcoma, Ewing sarcoma, and plasmocytoma.
- In one aspect of the invention, the present invention provides for the use of one or more compounds of the invention in the manufacture of a medicament for the treatment of cancer.
- In one embodiment, the present invention includes the use of one or more compounds of the invention in the manufacture of a medicament that prevents further aberrant proliferation, differentiation, or survival of cells. For example, compounds of the invention may be useful in preventing tumors from increasing in size or from reaching a metastatic state. The subject compounds may be administered to halt the progression or advancement of cancer or to induce tumor apoptosis or to inhibit tumor angiogenesis. In addition, the instant invention includes use of the subject compounds to prevent a recurrence of cancer.
- This invention further embraces the treatment or prevention of cell proliferative disorders such as hyperplasias, dysplasias and pre-cancerous lesions. Dysplasia is the earliest form of pre-cancerous lesion recognizable in a biopsy by a pathologist. The subject compounds may be administered for the purpose of preventing said hyperplasias, dysplasias or pre-cancerous lesions from continuing to expand or from becoming cancerous. Examples of pre-cancerous lesions may occur in skin, esophageal tissue, breast and cervical intra-epithelial tissue.
- "Combination therapy" includes the administration of the subject compounds in further combination with other biologically active ingredients (such as, but not limited to, a second and different antineoplastic agent) and non-drug therapies (such as, but not limited to, surgery or radiation treatment). For instance, the compounds of the invention can be used in combination with other pharmaceutically active compounds, preferably compounds that are able to enhance the effect of the compounds of the invention. The compounds of the invention can be administered simultaneously (as a single preparation or separate preparation) or sequentially to the other drug therapy. In general, a combination therapy envisions administration of two or more drugs during a single cycle or course of therapy.
- In one aspect of the invention, the subject compounds may be administered in combination with one or more separate agents that modulate protein kinases involved in various disease states or targets downstream thereof. Examples of such kinases may include, but are not limited to: serine/threonine specific kinases, receptor tyrosine specific kinases and non-receptor tyrosine specific kinases. Serine/threonine kinases include mitogen activated protein kinases (MAPK), meiosis specific kinase (MEK), RAF and aurora kinase. Examples of receptor kinase families include epidermal growth factor receptor (EGFR) (e.g., HER2/neu, HER3, HER4, ErbB, ErbB2, ErbB3, ErbB4, Xmrk, DER, Let23); fibroblast growth factor (FGF) receptor (e.g., FGF-R1,GFF-R2/BEK/CEK3, FGF-R3/CEK2, FGF-R4/TKF, KGF-R); hepatocyte growth/scatter factor receptor (HGFR) (e.g., MET, RON, SEA, SEX); insulin receptor (e.g., IGFI-R, PI3K, AKT, mTor); Eph (e.g., CEK5, CEK8, EBK, ECK, EEK, EHK-1, EHK-2, ELK, EPH, ERK, HEK, MDK2, MDK5, SEK); Axl (e.g., Mer/Nyk, Rse); RET; and platelet-derived growth factor receptor (PDGFR) (e.g., PDGFα-R, PDGβ-R, CSF1-R/FMS, SCF-R/C-KIT, VEGF-R/FLT, NEK/FLK1, FLT3/FLK2/STK-1). Non-receptor tyrosine kinase families include, but are not limited to, BCR-ABL (e.g., p43abl, ARG); BTK (e.g., ITK/EMT, TEC); CSK, FAK, FPS, JAK, SRC, BMX, FER, CDK and SYK.
- In another aspect of the invention, the subject compounds may be administered in combination with one or more separate agents that modulate non-kinase biological targets or processes. Such targets include histone deacetylases (HDAC), DNA methyltransferase (DNMT), heat shock proteins (e.g., HSP90), and proteosomes.
- In a preferred embodiment, subject compounds may be combined with antineoplastic agents (e.g., small molecules, monoclonal antibodies, antisense RNA, and fusion proteins) that inhibit one or more biological targets such as Zolinza, Tarceva, Iressa, Tykerb, Gleevec, Sutent, Sprycel, Nexavar, CNF2024, RG108, BMS387032, Affinitak, Avastin, Herceptin, Erbitux, AG24322, PD325901, ZD6474, PD184322, Obatodax, ABT737 and AEE788. Such combinations may enhance therapeutic efficacy over efficacy achieved by any of the agents alone and may prevent or delay the appearance of resistant mutational variants. For example, the subject compounds may advantageously be used in combination with a BCL-ABL inhibitor such as Sprycel for the treatment of hematologic tumors such as leukemias, lymphomas and myelomas.
- In certain preferred embodiments, the compounds of the invention are administered in combination with a chemotherapeutic agent. Chemotherapeutic agents encompass a wide range of therapeutic treatments in the field of oncology. These agents are administered at various stages of the disease for the purposes of shrinking tumors, destroying remaining cancer cells left over after surgery, inducing remission, maintaining remission and/or alleviating symptoms relating to the cancer or its treatment. Examples of such agents include, but are not limited to, alkylating agents such as mustard gas derivatives (Mechlorethamine, cylophosphamide, chlorambucil, melphalan, ifosfamide), ethylenimines (thiotepa, hexamethylmelanine), Alkylsulfonates (Busulfan), Hydrazines and Triazines (Altretamine, Procarbazine, Dacarbazine and Temozolomide), Nitrosoureas (Carmustine, Lomustine and Streptozocin), Ifosfamide and metal salts (Carboplatin, Cisplatin, and Oxaliplatin); plant alkaloids such as Podophyllotoxins (Etoposide and Tenisopide), Taxanes (Paclitaxel and Docetaxel), Vinca alkaloids (Vincristine, Vinblastine, Vindesine and Vinorelbine), and Camptothecan analogs (Irinotecan and Topotecan); anti-tumor antibiotics such as Chromomycins (Dactinomycin and Plicamycin), Anthracyclines (Doxorubicin, Daunorubicin, Epirubicin, Mitoxantrone, Valrubicin and Idarubicin), and miscellaneous antibiotics such as Mitomycin, Actinomycin and Bleomycin; anti-metabolites such as folic acid antagonists (Methotrexate, Pemetrexed, Raltitrexed, Aminopterin), pyrimidine antagonists (5-Fluorouracil, Floxuridine, Cytarabine, Capecitabine, and Gemcitabine), purine antagonists (6-Mercaptopurine and 6-Thioguanine) and adenosine deaminase inhibitors (Cladribine, Fludarabine, Mercaptopurine, Clofarabine, Thioguanine, Nelarabine and Pentostatin); topoisomerase inhibitors such as topoisomerase I inhibitors (Ironotecan, topotecan) and topoisomerase II inhibitors (Amsacrine, etoposide, etoposide phosphate, teniposide); monoclonal antibodies (Alemtuzumab, Gemtuzumab ozogamicin, Rituximab, Trastuzumab, Ibritumomab Tioxetan, Cetuximab, Panitumumab, Tositumomab, Bevacizumab); and miscellaneous anti-neoplastics such as ribonucleotide reductase inhibitors (Hydroxyurea); adrenocortical steroid inhibitor (Mitotane); enzymes (Asparaginase and Pegaspargase); anti-microhibule agents (Estramustine); and retinoids (Bexarotene, Isotretinoin, Tretinoin (ATRA). For example, the subject compounds may advantageously be used in combination with a pyrimidine antagonist such as Gemcitabine for the treatment of solid tumors such as pancreatic cancers such as pancreatic adenocarcinoma.
- In certain preferred embodiments, the compounds of the invention are administered in combination with a chemoprotective agent. Chemoprotective agents act to protect the body or minimize the side effects of chemotherapy. Examples of such agents include, but are not limited to, amfostine, mesna, and dexrazoxane.
- In one aspect of the invention, the subject compounds are administered in combination with radiation therapy. Radiation is commonly delivered internally (implantation of radioactive material near cancer site) or externally from a machine that employs photon (x-ray or gamma-ray) or particle radiation. Where the combination therapy further comprises radiation treatment, the radiation treatment may be conducted at any suitable time so long as a beneficial effect from the co-action of the combination of the therapeutic agents and radiation treatment is achieved. For example, in appropriate cases, the beneficial effect is still achieved when the radiation treatment is temporally removed from the administration of the therapeutic agents, perhaps by days or even weeks.
- It will be appreciated that compounds of the invention can be used in combination with an immunotherapeutic agent. One form of immunotherapy is the generation of an active systemic tumor-specific immune response of host origin by administering a vaccine composition at a site distant from the tumor. Various types of vaccines have been proposed, including isolated tumor-antigen vaccines and anti-idiotype vaccines. Another approach is to use tumor cells from the subject to be treated, or a derivative of such cells (reviewed by Schirrmacher et al. (1995) J. Cancer Res. Clin. Oncol., 121:487). In
U.S. Pat. No. 5,484,596, Hanna Jr. et al. claim a method for treating a resectable carcinoma to prevent recurrence or metastases, comprising surgically removing the tumor, dispersing the cells with collagenase, irradiating the cells, and vaccinating the patient with at least three consecutive doses of about 107 cells. - It will be appreciated that the compounds of the invention may advantageously be used in conjunction with one or more adjunctive therapeutic agents. Examples of suitable agents for adjunctive therapy include a 5HT1 agonist, such as a triptan (e.g. sumatriptan or naratriptan); an inhibitor of the phosphoinositol-3-kinase (PI3K) family; an inhibitor of the mammalian target of rapamycin (mTOR); an inhibitor of Bcr-Abl; an adenosine Al agonist; an EP ligand; an NMDA modulator, such as a glycine antagonist; a sodium channel blocker (e.g. lamotrigine); a substance P antagonist (e.g. an NK1 antagonist); a cannabinoid; acetaminophen or phenacetin; a 5-lipoxygenase inhibitor; a leukotriene receptor antagonist; a DMARD (e.g. methotrexate); gabapentin and related compounds; a tricyclic antidepressant (e.g. amitryptilline); a neuron stabilising antiepileptic drug; a mono-aminergic uptake inhibitor (e.g. venlafaxine); a matrix metalloproteinase inhibitor; a nitric oxide synthase (NOS) inhibitor, such as an iNOS or an nNOS inhibitor; an inhibitor of the release, or action, of tumour necrosis factor alpha; an antibody therapy, such as a monoclonal antibody therapy; an antiviral agent, such as a nucleoside inhibitor (e.g. lamivudine) or an immune system modulator (e.g. interferon); an opioid analgesic; a local anaesthetic; a stimulant, including caffeine; an H2-antagonist (e.g. ranitidine); a proton pump inhibitor (e.g. omeprazole); an antacid (e.g. aluminium or magnesium hydroxide; an antiflatulent (e.g. simethicone); a decongestant (e.g. phenylephrine, phenylpropanolamine, pseudoephedrine, oxymetazoline, epinephrine, naphazoline, xylometazoline, propythexedrine, or levo-desoxyephedrine); an antitussive (e.g. codeine, hydrocodone, carmiphen, carbetapentane, or dextramethorphan); a diuretic; or a sedating or non-sedating antihistamine.
- The compounds may also be used in the treatment of a disorder involving, relating to or, associated with dysregulation of histone deacetylase (HDAC). There are a number of disorders that have been implicated by or known to be mediated at least in part by HDAC activity, where HDAC activity is known to play a role in triggering disease onset, or whose symptoms are known or have been shown to be alleviated by HDAC inhibitors. Disorders of this type that would be expected to be amenable to treatment with the compounds of the invention include the following but not limited to: Anti-proliferative disorders (e.g. cancers); Neurodegenerative diseases including Huntington's Disease, Polyglutamine disease, Parkinson's Disease, Alzheimer's Disease, Seizures, Striatonigral degeneration, Progressive supranuclear palsy, Torsion dystonia, Spasmodic torticollis and dyskinesis, Familial tremor, Gilles de la Tourette syndrome, Diffuse Lewy body disease, Progressive supranuclear palsy, Pick's disease, intracerebral hemorrhage, Primary lateral sclerosis, Spinal muscular atrophy, Amyotrophic lateral sclerosis, Hypertrophic interstitial polyneuropathy, Retinitis pigmentosa, Hereditary optic atrophy, Hereditary spastic paraplegia, Progressive ataxia and Shy-Drager syndrome; Metabolic diseases including Type 2 diabetes; Degenerative Diseases of the Eye including Glaucoma, Age-related macular degeneration, Rubeotic glaucoma; Inflammatory diseases and/or Immune system disorders including Rheumatoid Arthritis (RA), Osteoarthritis, Juvenile chronic arthritis, Graft versus Host disease, Psoriasis, Asthma, Spondyloarthropathy, Crohn's Disease, inflammatory bowel disease Colitis Ulcerosa, Alcoholic hepatitis, Diabetes, Sjoegrens's syndrome, Multiple Sclerosis, Ankylosing spondylitis, Membranous glomerulopathy, Discogenic pain, Systemic Lupus Erythematosus; Disease involving angiogenesis including cancer, psoriasis, rheumatoid arthritis; Psychological disorders including bipolar disease, schizophrenia, mania, depression and dementia; Cardiovascular Diseases including the prevention and treatment of ischemia-related or reperfusion-related vascular and myocardial tissue damage, heart failure, restenosis and arteriosclerosis; Fibrotic diseases including liver fibrosis, cystic fibrosis and angiofibroma; Infectious diseases including Fungal infections, such as candidiasis or Candida Albicans, Bacterial infections, Viral infections, such as Herpes Simplex, poliovirus, rhinovirus and coxsackievirus, Protozoal infections, such as Malaria, Leishmania infection, Trypanosoma brucei infection, Toxoplasmosis and coccidlosis and Haematopoietic disorders including thalassemia, anemia and sickle cell anemia.
- Compounds of the invention inhibit angiongenesis and are therefore useful in the treatment of diseases or conditions mediated by angiogenesis such as tumors, in particular solid tumors such as colon, lung, pancreatic, ovarian, breast and glioma. Furthermore, compounds of the invention are useful for treating macular degeneration, e.g., wet age-related macular degeneration. Compounds of the invention are also useful for treating inflammatory/immune diseases such as Crohn's disease, inflammatory bowel disease, Sjogren's syndrome, asthma, organ transplant rejection, systemic lupus erythmatoses, psoriatic arthritis, psoriasis and multiple sclerosis. The compounds can also be used for the down-regulation of hair growth or as a depilatory for cosmetic purposes or in the treatment of hirsutism.
- The invention encompasses pharmaceutical compositions comprising pharmaceutically acceptable salts of the compounds of the invention as described above. The invention also encompasses solvates of the compounds of the invention and pharmaceutical compositions comprising such solvates, such as hydrates, methanolates or ethanolates. The term "solvate" refers to a solid, preferably crystalline, form of a compound which includes the presence of solvent molecules within the crystal lattice. A solvate of a compound comprising a given solvent is typically prepared by crystallization of the compound from that solvent. Solvates can include a variety of solvents, including water, methanol and ethanol. The term "hydrate" refers to a solvate in which the solvent is water, and includes, but is not limited to, hemihydrate, monohydrate, dihydrate, trihydrate and the like. The invention further encompasses pharmaceutical compositions comprising any solid or liquid physical form of the compound of the invention, including crystalline and crystalline solvate forms. For example, the compounds can be in a crystalline form, in amorphous form, and have any particle size. The particles may be micronized, or may be agglomerated, particulate granules, powders, oils, oily suspensions or any other -solid or liquid physical form.
- The compounds of the invention, and derivatives, fragments, analogs, homologs, pharmaceutically acceptable salts or solvates thereof can be incorporated into pharmaceutical compositions suitable for administration, together with a pharmaceutically acceptable carrier or excipient. Such compositions typically comprise a therapeutically effective amount of any of the compounds above, and a pharmaceutically acceptable carrier. Preferably, the effective amount when treating cancer is an amount effective to selectively induce terminal differentiation of suitable neoplastic cells and less than an amount which causes toxicity in a patient.
- Compounds of the invention may be administered by any suitable means, including, without limitation, parenteral, intravenous, intramuscular, subcutaneous, implantation, oral, sublingual, buccal, nasal, pulmonary, transdermal, topical, vaginal, rectal, and transmucosal administrations or the like. Topical administration can also involve the use of transdermal administration such as transdermal patches or iontophoresis devices. Pharmaceutical preparations include a solid, semisolid or liquid preparation (tablet, pellet, troche, capsule, suppository, cream, ointment, aerosol, powder, liquid, emulsion, suspension, syrup, injection etc.) containing a compound of the invention as an active ingredient, which is suitable for selected mode of administration. In one embodiment, the pharmaceutical compositions are administered orally, and are thus formulated in a form suitable for oral administration, i.e., as a solid or a liquid preparation. Suitable solid oral formulations include tablets, capsules, pills, granules, pellets, sachets and effervescent, powders, and the like. Suitable liquid oral formulations include solutions, suspensions, dispersions, emulsions, oils and the like. In one embodiment of the present invention, the composition is formulated in a capsule. In accordance with this embodiment, the compositions of the present invention comprise in addition to the active compound and the inert carrier or diluent, a hard gelatin capsule.
- Any inert excipient that is commonly used as a carrier or diluent may be used in the formulations of the present invention, such as for example, a gum, a starch, a sugar, a cellulosic material, an acrylate, or mixtures thereof. A preferred diluent is microcrystalline cellulose. The compositions may further comprise a disintegrating agent (e.g., croscarmellose sodium) and a lubricant (e.g., magnesium stearate), and may additionally comprise one or more additives selected from a binder, a buffer, a protease inhibitor, a surfactant, a solubilizing agent, a plasticizer, an emulsifier, a stabilizing agent, a viscosity increasing agent, a sweetener, a film forming agent, or any combination thereof. Furthermore, the compositions of the present invention may be in the form of controlled release or immediate release formulations.
- For liquid formulations, pharmaceutically acceptable carriers may be aqueous or non-aqueous solutions, suspensions, emulsions or oils. Examples of non-aqueous solvents are propylene glycol, polyethylene glycol, and injectable organic esters such as ethyl oleate. Aqueous carriers include water, alcoholic/aqueous solutions, emulsions or suspensions, including saline and buffered media. Examples of oils are those of petroleum, animal, vegetable, or synthetic origin, for example, peanut oil, soybean oil, mineral oil, olive oil, sunflower oil, and fish-liver oil. Solutions or suspensions can also include the following components: a sterile diluent such as water for injection, saline solution, fixed oils, polyethylene glycols, glycerine, propylene glycol or other synthetic solvents; antibacterial agents such as benzyl alcohol or methyl parabens; antioxidants such as ascorbic acid or sodium bisulfite; chelating agents such as ethylenediaminetetraacetic acid (EDTA); buffers such as acetates, citrates or phosphates, and agents for the adjustment of tonicity such as sodium chloride or dextrose. The pH can be adjusted with acids or bases, such as hydrochloric acid or sodium hydroxide.
- In addition, the compositions may further comprise binders (e.g., acacia, cornstarch, gelatin, carbomer, ethyl cellulose, guar gum, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, povidone), disintegrating agents (e.g., cornstarch, potato starch, alginic acid, silicon dioxide, croscarmellose sodium, crospovidone, guar gum, sodium starch glycolate, Primogel), buffers (e.g., tris-HCI., acetate, phosphate) of various pH and ionic strength, additives such as albumin or gelatin to prevent absorption to surfaces, detergents (e.g., Tween 20, Tween 80, Pluronic F68, bile acid salts), protease inhibitors, surfactants (e.g., sodium lauryl sulfate), permeation enhancers, solubilizing agents (e.g., glycerol, polyethylene glycerol), a glidant (e.g., colloidal silicon dioxide), anti-oxidants (e.g., ascorbic acid, sodium metabisulfite, butylated hydroxyanisole), stabilizers (e.g., hydroxypropyl cellulose, hydroxypropylmethyl cellulose), viscosity increasing agents (e.g., carbomer, colloidal silicon dioxide, ethyl cellulose, guar gum), sweeteners (e.g., sucrose, aspartame, citric acid), flavoring agents (e.g., peppermint, methyl salicylate, or orange flavoring), preservatives (e.g., Thimerosal, benzyl alcohol, parabens), lubricants (e.g., stearic acid, magnesium stearate, polyethylene glycol, sodium lauryl sulfate), flow-aids (e.g., colloidal silicon dioxide), plasticizers (e.g., diethyl phthalate, triethyl citrate), emulsifiers (e.g., carbomer, hydroxypropyl cellulose, sodium lauryl sulfate), polymer coatings (e.g., poloxamers or poloxamines), coating and film forming agents (e.g., ethyl cellulose, acrylates, polymethacrylates) and/or adjuvants.
- In one embodiment, the active compounds are prepared with carriers that will protect the compound against rapid elimination from the body, such as a controlled release formulation, including implants and microencapsulated delivery systems. Biodegradable, biocompatible polymers can be used, such as ethylene vinyl acetate, polyanhydrides, polyglycolic acid, collagen, polyorthoesters, and polylactic acid. Methods for preparation of such formulations will be apparent to those skilled in the art. The materials can also be obtained commercially from Alza Corporation and Nova Pharmaceuticals, Inc. Liposomal suspensions (including liposomes targeted to infected cells with monoclonal antibodies to viral antigens) can also be used as pharmaceutically acceptable carriers. These can be prepared according to methods known to those skilled in the art, for example, as described in
U.S. Patent No. 4,522,811 . - It is especially advantageous to formulate oral compositions in dosage unit form for ease of administration and uniformity of dosage. Dosage unit form as used herein refers to physically discrete units suited as unitary dosages for the subject to be treated; each unit containing a predetermined quantity of active compound calculated to produce the desired therapeutic effect in association with the required pharmaceutical carrier. The specification for the dosage unit forms of the invention are dictated by and directly dependent on the unique characteristics of the active compound and the particular therapeutic effect to be achieved, and the limitations inherent in the art of compounding such an active compound for the treatment of individuals.
- The pharmaceutical compositions can be included in a container, pack, or dispenser together with instructions for administration.
- Daily administration may be repeated continuously for a period of several days to several years. Oral treatment may continue for between one week and the life of the patient. Preferably the administration may take place for five consecutive days after which time the patient can be evaluated to determine if further administration is required. The administration can be continuous or intermittent, e.g., treatment for a number of consecutive days followed by a rest period. The compounds of the present invention may be administered intravenously on the first day of treatment, with oral administration on the second day and all consecutive days thereafter.
- The preparation of pharmaceutical compositions that contain an active component is well understood in the art, for example, by mixing, granulating, or tablet-forming processes. The active therapeutic ingredient is often mixed with excipients that are pharmaceutically acceptable and compatible with the active ingredient. For oral administration, the active agents are mixed with additives customary for this purpose, such as vehicles, stabilizers, or inert diluents, and converted by customary methods into suitable forms for administration, such as tablets, coated tablets, hard or soft gelatin capsules, aqueous, alcoholic or oily solutions and the like as detailed above.
- The amount of the compound administered to the patient is less than an amount that would cause toxicity in the patient. In certain embodiments, the amount of the compound that is administered to the patient is less than the amount that causes a concentration of the compound in the patient's plasma to equal or exceed the toxic level of the compound. Preferably, the concentration of the compound in the patient's plasma is maintained at about 10 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 25 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 50 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 100 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 500 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 1000 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 2500 nM. In one embodiment, the concentration of the compound in the patient's plasma is maintained at about 5000 nM. The optimal amount of the compound that should be administered to the patient in the practice of the present invention will depend on the particular compound used and the type of cancer being treated.
- Listed below are definitions of various terms used to describe this invention. These definitions apply to the terms as they are used throughout this specification and claims, unless otherwise limited in specific instances, either individually or as part of a larger group.
- An "aliphatic group" or "aliphatic" is non-aromatic moiety that may be saturated (e.g. single bond) or contain one or more units of unsaturation, e.g., double and/or triple bonds. An aliphatic group may be straight chained, branched or cyclic, contain carbon, hydrogen or, optionally, one or more heteroatoms and may be substituted or unsubstituted. An aliphatic group, when used as a linker, preferably contains between about 1 and about 24 atoms, more preferably between about 4 to about 24 atoms, more preferably between about 4-12 atoms, more typically between about 4 and about 8 atoms. An aliphatic group, when used as a substituent, preferably contains between about 1 and about 24 atoms, more preferably between about 1 to about 10 atoms, more preferably between about 1-8 atoms, more typically between about 1 and about 6 atoms. In addition to aliphatic hydrocarbon groups, aliphatic groups include, for example, polyalkoxyalkyls, such as polyalkylene glycols, polyamines, and polyimines, for example. Such aliphatic groups may be further substituted. It is understood that aliphatic groups may include alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl groups described herein.
- The term "substituted carbonyl" includes compounds and moieties which contain a carbon connected with a double bond to an oxygen atom, and tautomeric forms thereof. Examples of moieties that contain a substituted carbonyl include aldehydes, ketones, carboxylic acids, amides, esters, anhydrides, etc. The term "carbonyl moiety" refers to groups such as "alkylcarbonyl" groups wherein an alkyl group is covalently bound to a carbonyl group, "alkenylcarbonyl" groups wherein an alkenyl group is covalently bound to a carbonyl group, "alkynylcarbonyl" groups wherein an alkynyl group is covalently bound to a carbonyl group, "arylcarbonyl" groups wherein an aryl group is covalently attached to the carbonyl group. Furthermore, the term also refers to groups wherein one or more heteroatoms are covalently bonded to the carbonyl moiety. For example, the term includes moieties such as, for example, aminocarbonyl moieties, (wherein a nitrogen atom is bound to the carbon of the carbonyl group, e.g., an amide).
- The term "acyl" refers to hydrogen, alkyl, partially saturated or fully saturated cycloalkyl, partially saturated or fully saturated heterocycle, aryl, and heteroaryl substituted carbonyl groups. For example, acyl includes groups such as (C1-C6)alkanoyl (e.g., formyl, acetyl, propionyl, butyryl, valeryl, caproyl, t-butylacetyl, etc.), (C3-C6)cycloalkylcarbonyl (e.g., cyclopropylcarbonyl, cyclobutylcarbonyl, cyclopentylcarbonyl, cyclohexylcarbonyl, etc.), heterocyclic carbonyl (e.g., pyrrolidinylcarbonyl, pyrrolid-2-one-5-carbonyl, piperidinylcarbonyl, piperazinylcarbonyl, tetrahydrofuranylcarbonyl, etc.), aroyl (e.g., benzoyl) and heteroaroyl (e.g., thiophenyl-2-carbonyl, thiophenyl-3-carbonyl, furanyl-2-carbonyl, furanyl-3-carbonyl, 1H-pyrroyl-2-carbonyl, 1H-pyrroyl-3-carbonyl, benzo[b]thiophenyl-2-carbonyl, etc.). In addition, the alkyl, cycloalkyl, heterocycle, aryl and heteroaryl portion of the acyl group may be any one of the groups described in the respective definitions. When indicated as being "optionally substituted", the acyl group may be unsubstituted or optionally substituted with one or more substituents (typically, one to three substituents) independently selected from the group of substituents listed below in the definition for "substituted" or the alkyl, cycloalkyl, heterocycle, aryl and heteroaryl portion of the acyl group may be substituted as described above in the preferred and more preferred list of substituents, respectively.
- The term "alkyl" embraces linear or branched radicals having one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred alkyl radicals are "lower alkyl" radicals having one to about ten carbon atoms. Most preferred are lower alkyl radicals having one to about eight carbon atoms. Examples of such radicals include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl, iso-amyl, hexyl and the like.
- The term "alkenyl" embraces linear or branched radicals having at least one carbon-carbon double bond of two to about twenty carbon atoms or, preferably, two to about twelve carbon atoms. More preferred alkenyl radicals are "lower alkenyl" radicals having two to about ten carbon atoms and more preferably about two to about eight carbon atoms. Examples of alkenyl radicals include ethenyl, allyl, propenyl, butenyl and 4-methylbutenyl. The terms "alkenyl", and "lower alkenyl", embrace radicals having "cis" and "trans" orientations, or alternatively, "E" and "Z" orientations.
- The term "alkynyl" embraces linear or branched radicals having at least one carbon-carbon triple bond of two to about twenty carbon atoms or, preferably, two to about twelve carbon atoms. More preferred alkynyl radicals are "lower alkynyl" radicals having two to about ten carbon atoms and more preferably about two to about eight carbon atoms. Examples of alkynyl radicals include propargyl, 1-propynyl, 2-propynyl, 1-butyne, 2-butynyl and 1-pentynyl.
- The term "cycloalkyl" embraces saturated carbocyclic radicals having three to about twelve carbon atoms. The term "cycloalkyl" embraces saturated carbocyclic radicals having three to about twelve carbon atoms. More preferred cycloalkyl radicals are "lower cycloalkyl" radicals having three to about eight carbon atoms. Examples of such radicals include cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl.
- The term "cycloalkenyl" embraces partially unsaturated carbocyclic radicals having three to twelve carbon atoms. Cycloalkenyl radicals that are partially unsaturated carbocyclic radicals that contain two double bonds (that may or may not be conjugated) can be called "cycloalkyldienyl". More preferred cycloalkenyl radicals are "lower cycloalkenyl" radicals having four to about eight carbon atoms. Examples of such radicals include cyclobutenyl, cyclopentenyl and cyclohexenyl.
- The term "alkoxy" embraces linear or branched oxy-containing radicals each having alkyl, portions of one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred alkoxy radicals are "lower alkoxy" radicals having one to about ten carbon atoms and more preferably having one to about eight carbon atoms. Examples of such radicals include methoxy, ethoxy, propoxy, butoxy and tert-butoxy.
- The term "alkoxyalkyl" embraces alkyl radicals having one or more alkoxy radicals attached to the alkyl radical, that is, to form monoalkoxyalkyl and dialkoxyalkyl radicals.
- The term "aryl", alone or in combination, means a carbocyclic aromatic system containing one, two or three rings wherein such rings may be attached together in a pendent manner or may be fused. The term "aryl" embraces aromatic radicals such as phenyl, naphthyl, tetrahydronaphthyl, indane and biphenyl.
- The terms "heterocyclyl", "heterocycle" "heterocyclic" or "heterocyclo" embrace saturated, partially unsaturated and unsaturated heteroatom-containing ring-shaped radicals, which can also be called "heterocyclyl", "heterocycloalkenyl" and "heteroaryl" correspondingly, where the heteroatoms may be selected from nitrogen, sulfur and oxygen. Examples of saturated heterocyclyl radicals include saturated 3 to 6-membered heteromonocyclic group containing 1 to 4 nitrogen atoms (e.g. pyrrolidinyl, imidazolidinyl, piperidino, piperazinyl, etc.); saturated 3 to 6-membered heteromonocyclic group containing 1 to 2 oxygen atoms and 1 to 3 nitrogen atoms (e.g. morpholinyl, etc.); saturated 3 to 6-membered heteromonocyclic group containing 1 to 2 sulfur atoms and 1 to 3 nitrogen atoms (e.g., thiazolidinyl, etc.). Examples of partially unsaturated heterocyclyl radicals include dihydrothiophene, dihydropyran, dihydrofuran and dihydrothiazole. Heterocyclyl radicals may include a pentavalent nitrogen, such as in tetrazolium and pyridinium radicals. The term "heterocycle" also embraces radicals where heterocyclyl radicals are fused with aryl or cycloalkyl radicals. Examples of such fused bicyclic radicals include benzofuran, benzothiophene, and the like.
- The term "heteroaryl" embraces unsaturated heterocyclyl radicals. Examples of heteroaryl radicals include unsaturated 3 to 6 membered heteromonocyclic group containing 1 to 4 nitrogen atoms, for example, pyrrolyl, pyrrolinyl, imidazolyl, pyrazolyl, pyridyl, pyrimidyl, pyrazinyl, pyridazinyl, triazolyl (e.g., 4H-1,2,4-triazolyl, 1H-1,2,3-triazolyl, 2H-1,2,3-triazolyl, etc.) tetrazolyl (e.g. 1H-tetrazolyl, 2H-tetrazolyl, etc.), etc.; unsaturated condensed heterocyclyl group containing 1 to 5 nitrogen atoms, for example, indolyl, isoindolyl, indolizinyl, benzimidazolyl, quinolyl, isoquinolyl, indazolyl, benzotriazolyl, tetrazolopyridazinyl (e.g., tetrazolo[1,5-b]pyridazinyl, etc.), etc.; unsaturated 3 to 6-membered heteromonocyclic group containing an oxygen atom, for example, pyranyl, furyl, etc.; unsaturated 3 to 6-membered heteromonocyclic group containing a sulfur atom, for example, thienyl, etc.; unsaturated 3- to 6-membered heteromonocyclic group containing 1 to 2 oxygen atoms and 1 to 3 nitrogen atoms, for example, oxazolyl, isoxazolyl, oxadiazolyl (e.g., 1,2,4-oxadiazolyl, 1,3,4-oxadiazolyl, 1,2,5-oxadiazolyl, etc.) etc.; unsaturated condensed heterocyclyl group containing 1 to 2 oxygen atoms and 1 to 3 nitrogen atoms (e.g. benzoxazolyl, benzoxadiazolyl, etc.); unsaturated 3 to 6-membered heteromonocyclic group containing 1 to 2 sulfur atoms and 1 to 3 nitrogen atoms, for example, thiazolyl, thiadiazolyl (e.g., 1,2,4- thiadiazolyl, 1,3,4-thiadiazolyl, 1,2,5-thiadiazolyl, etc.) etc.; unsaturated condensed heterocyclyl group containing 1 to 2 sulfur atoms and 1 to 3 nitrogen atoms (e.g., benzothiazolyl, benzothiadiazolyl, etc.) and the like.
- The term "heterocycloalkyl" embraces heterocyclo-substituted alkyl radicals. More preferred heterocycloalkyl radicals are "lower heterocycloalkyl" radicals having one to six carbon atoms in the heterocyclo radicals.
- The term "alkylthio" embraces radicals containing a linear or branched alkyl radical, of one to about ten carbon atoms attached to a divalent sulfur atom. Preferred alkylthio radicals have alkyl radicals of one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred alkylthio radicals have alkyl radicals are "lower alkylthio" radicals having one to about ten carbon atoms. Most preferred are alkylthio radicals having lower alkyl radicals of one to about eight carbon atoms. Examples of such lower alkylthio radicals are methylthio, ethylthio, propylthio, butylthio and hexylthio.
- The terms "aralkyl" or "arylalkyl" embrace aryl-substituted alkyl radicals such as benzyl, diphenylmethyl, triphenylmethyl, phenylethyl, and diphenylethyl.
- The term "aryloxy" embraces aryl radicals attached through an oxygen atom to other radicals.
- The terms "aralkoxy" or "arylalkoxy" embrace aralkyl radicals attached through an oxygen atom to other radicals.
- The term "aminoalkyl" embraces alkyl radicals substituted with amino radicals. Preferred aminoalkyl radicals have alkyl radicals having about one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred aminoalkyl radicals are "lower aminoalkyl" that have alkyl radicals having one to about ten carbon atoms. Most preferred are aminoalkyl radicals having lower alkyl radicals having one to eight carbon atoms. Examples of such radicals include aminomethyl, aminoethyl, and the like.
- The term "alkylamino" denotes amino groups which are substituted with one or two alkyl radicals. Preferred alkylamino radicals have alkyl radicals having about one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred alkylamino radicals are "lower alkylamino" that have alkyl radicals having one to about ten carbon atoms. Most preferred are alkylamino radicals having lower alkyl radicals having one to about eight carbon atoms. Suitable lower alkylamino may be monosubstituted N-alkylamino or disubstituted N,N-alkylamino, such as N-methylamino, N-ethylamino, N,N-dimethylamino, N,N-diethylamino or the like.
- The term "linker" means an organic moiety that connects two parts of a compound. Linkers typically comprise a direct bond or an atom such as oxygen or sulfur, a unit such as NR2, C(O), C(O)NH, SO, SO2, SO2NH or a chain of atoms, such as substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, arylalkyl, arylalkenyl, arylalkynyl, heteroarylalkyl, heteroarylalkenyl, heteroarylalkynyl, heterocyclylalkyl, heterocyclylalkenyl, heterocyclylalkynyl, aryl, heteroaryl, heterocyclyl, cycloalkyl, cycloalkenyl, alkylarylalkyl, alkylarylalkenyl, alkylarylalkynyl, alkenylarylalkyl, alkenylarylalkenyl, alkenylarylalkynyl, alkynylarylalkyl, alkynylarylalkenyl, alkynylarylalkynyl, alkylheteroarylalkyl, alkylheteroarylalkenyl, alkylheteroarylalkynyl, alkenylheteroarylalkyl, alkenylheteroarylalkenyl, alkenylheteroarylalkynyl, alkynylheteroarylalkyl, alkynylheteroarylalkenyl, alkynylheteroarylalkynyl, alkylheterocyclylalkyl, alkylheterocyclylalkenyl, alkylhererocyclylalkynyl, alkenylheterocyclylalkyl, alkenylheterocyclylalkenyl, alkenylheterocyclylalkynyl, alkynylheterocyclylalkyl, alkynylheterocyclylalkenyl, alkynylheterocyclylalkynyl, alkylaryl, alkenylaryl, alkynylaryl, alkylheteroaryl, alkenylheteroaryl, alkynylhereroaryl, which one or more methylenes can be interrupted or terminated by O, S, S(O), SO2 N(R2), C(O), substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted heterocyclic; where R2 is hydrogen, acyl, aliphatic or substituted aliphatic. In one embodiment, the linker B is between 1-24 atoms in length, preferably 4-24 atoms in length, preferably 4-18 atoms in length, more preferably 4-12 atoms in length, and most preferably about 4-10 atoms in length. In some embodiments, the linker is a C(O)NH(alkyl) chain or an alkoxy chain. It is to be understood that an asymmetric linker, such as alkylaryl, can connect two structurally distinct moieties in either of its two possible orientations.
- The term "substituted" refers to the replacement of one or more hydrogen radicals in a given structure with the radical of a specified substituent including, but not limited to: halo, alkyl, alkenyl, alkenyl, aryl, heterocyclyl, thiol, alkylthio, arylthio, alkylthioalkyl, arylthioalkyl, alkylsulfonyl, alkylsulfonylalkyl, arylsulfonylalkyl, alkoxy, aryloxy, aralkoxy, aminocarbonyl, alkylaminocarbonyl, arylaminocarbonyl, alkoxycarbonyl, aryloxycarbonyl, haloalkyl, amino, trifluoromethyl, cyano, nitro, alkylamino, arylamino, alkylaminoalkyl, arylaminoalkyl, aminoalkylamino, hydroxy, alkoxyalkyl, carboxyalkyl, alkoxycarbonylalkyl, aminocarbonylalkyl, acyl, aralkoxycarbonyl, carboxylic acid, sulfonic acid, sulfonyl, phosphonic acid, aryl, heteroaryl, heterocyclic, and aliphatic. It is understood that the substituent may be further substituted.
- For simplicity, chemical moieties are defined and referred to throughout can be univalent chemical moieties (e.g., alkyl, aryl, etc.) or multivalent moieties under the appropriate structural circumstances clear to those skilled in the art. For example, an "alkyl" moiety can be referred to a monovalent radical (e.g. CH3-CH2-), or in other instances, a bivalent linking moiety can be "alkyl," in which case those skilled in the art will understand the alkyl to be a divalent radical (e.g., -CH2-CH2-), which is equivalent to the term "alkylene." Similarly, in circumstances in which divalent moieties are required and are stated as being "alkoxy", "alkylamino", "aryloxy", "alkylthio", "aryl", "heteroaryl", "heterocyclic", "alkyl" "alkenyl", "alkynyl", "aliphatic", or "cycloalkyl", those skilled in the art will understand that the terms alkoxy", "alkylamino", "aryloxy", "alkylthio", "aryl", "heteroaryl", "heterocyclic", "alkyl", "alkenyl", "alkynyl", "aliphatic", or "cycloalkyl" refer to the corresponding divalent moiety.
- The terms "halogen" or "halo" as used herein, refers to an atom selected from fluorine, chlorine, bromine and iodine.
- As used herein, the term "aberrant proliferation" refers to abnormal cell growth.
- The phrase "adjunctive therapy" encompasses treatment of a subject with agents that reduce or avoid side effects associated with the combination therapy of the present invention, including, but not limited to, those agents, for example, that reduce the toxic effect of anticancer drugs, e.g., bone resorption inhibitors, cardioprotective agents; prevent or reduce the incidence of nausea and vomiting associated with chemotherapy, radiotherapy or operation; or reduce the incidence of infection associated with the administration of myelosuppressive anticancer drugs.
- The term "angiogenesis," as used herein, refers to the formation of blood vessels. Specifically, angiogenesis is a multi-step process in which endothelial cells focally degrade and invade through their own basement membrane, migrate through interstitial stroma toward an angiogenic stimulus, proliferate proximal to the migrating tip, organize into blood vessels, and reattach to newly synthesized basement membrane (see Folkman et al., Adv. Cancer Res., Vol. 43, pp. 175-203 (1985)). Anti-angiogenic agents interfere with this process. Examples of agents that interfere with several of these steps include thrombospondin-1, angiostatin, endostatin, interferon alpha and compounds such as matrix metalloproteinase (MMP) inhibitors that block the actions of enzymes that clear and create paths for newly forming blood vessels to follow; compounds, such as .alpha.v.beta.3 inhibitors, that interfere with molecules that blood vessel cells use to bridge between a parent blood vessel and a tumor; agents, such as specific COX-2 inhibitors, that prevent the growth of cells that form new blood vessels; and protein-based compounds that simultaneously interfere with several of these targets.
- The term "apoptosis" as used herein refers to programmed cell death as signaled by the nuclei in normally functioning human and animal cells when age or state of cell health and condition dictates. An "apoptosis inducing agent" triggers the process of programmed cell death.
- The term "cancer" as used herein denotes a class of diseases or disorders characterized by uncontrolled division of cells and the ability of these cells to invade other tissues, either by direct growth into adjacent tissue through invasion or by implantation into distant sites by metastasis.
- The term "compound" is defined herein to include pharmaceutically acceptable salts, solvates, hydrates, polymorphs, enantiomers, diastereoisomers, racemates and the like of the compounds having a formula as set forth herein.
- The term "device" refers to any appliance, usually mechanical or electrical, designed to perform a particular function.
- As used herein, the term "dysplasia" refers to abnormal cell growth, and typically refers to the earliest form of pre-cancerous lesion recognizable in a biopsy by a pathologist.
- As used herein, the term "effective amount of the subject compounds," with respect to the subject method of treatment, refers to an amount of the subject compound which, when delivered as part of desired dose regimen, brings about, e.g. a change in the rate of cell proliferation and/or state of differentiation and/or rate of survival of a cell to clinically acceptable standards. This amount may further relieve to some extent one or more of the symptoms of a neoplasia disorder, including, but is not limited to: 1) reduction in the number of cancer cells; 2) reduction in tumor size; 3) inhibition (i.e., slowing to some extent, preferably stopping) of cancer cell infiltration into peripheral organs; 4) inhibition (i.e., slowing to some extent, preferably stopping) of tumor metastasis; 5) inhibition, to some extent, of tumor growth; 6) relieving or reducing to some extent one or more of the symptoms associated with the disorder; and/or 7) relieving or reducing the side effects associated with the administration of anticancer agents.
- The term "hyperplasia," as used herein, refers to excessive cell division or growth.
- The phrase an "immunotherapeutic agent" refers to agents used to transfer the immunity of an immune donor, e.g., another person or an animal, to a host by inoculation. The term embraces the use of serum or gamma globulin containing performed antibodies produced by another individual or an animal; nonspecific systemic stimulation; adjuvants; active specific immunotherapy; and adoptive immunotherapy. Adoptive immunotherapy refers to the treatment of a disease by therapy or agents that include host inoculation of sensitized lymphocytes, transfer factor, immune RNA, or antibodies in serum or gamma globulin.
- The term "inhibition," in the context of neoplasia, tumor growth or tumor cell growth, may be assessed by delayed appearance of primary or secondary tumors, slowed development of primary or secondary tumors, decreased occurrence of primary or secondary tumors, slowed or decreased severity of secondary effects of disease, arrested tumor growth and regression of tumors, among others. In the extreme, complete inhibition, is referred to herein as prevention or chemoprevention.
- The term "metastasis," as used herein, refers to the migration of cancer cells from the original tumor site through the blood and lymph vessels to produce cancers in other tissues. Metastasis also is the term used for a secondary cancer growing at a distant site.
- The term "neoplasm," as used herein, refers to an abnormal mass of tissue that results from excessive cell division. Neoplasms may be benign (not cancerous), or malignant (cancerous) and may also be called a tumor. The term "neoplasia" is the pathological process that results in tumor formation.
- As used herein, the term "pre-cancerous" refers to a condition that is not malignant, but is likely to become malignant if left untreated.
- The term "proliferation" refers to cells undergoing mitosis.
- The phrase "hedgehog related disease or disorder" refers to a disease or disorder characterized by inappropriate hedgehog signaling activity. Such inappropriate hedgehog signaling activity can occur when Patched fails to, or inadequately, represses Smoothened (Ptc loss of function phenotype) and/or when Smoothened is active regardless of Patched repression (Smo gain-of function phenotype).
- The phrase a "radio therapeutic agent" refers to the use of electromagnetic or particulate radiation in the treatment of neoplasia.
- The term "recurrence" as used herein refers to the return of cancer after a period of remission. This may be due to incomplete removal of cells from the initial cancer and may occur locally (the same site of initial cancer), regionally (in vicinity of initial cancer, possibly in the lymph nodes or tissue), and/or distally as a result of metastasis.
- The term "treatment" refers to any process, action, application, therapy, or the like, wherein a mammal, including a human being, is subject to medical aid with the object of improving the mammal's condition, directly or indirectly.
- The term "vaccine" includes agents that induce the patient's immune system to mount an immune response against the tumor by attacking cells that express tumor associated antigens (Teas).
- As used herein, the term "pharmaceutically acceptable salt" refers to those salts which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of humans and lower animals without undue toxicity, irritation, allergic response and the like, and are commensurate with a reasonable benefit/risk ratio. Pharmaceutically acceptable salts are well known in the art. For example, S. M. Berge, et al. describes pharmaceutically acceptable salts in detail in J. Pharmaceutical Sciences, 66: 1-19 (1977). The salts can be prepared in situ during the final isolation and purification of the compounds of the invention, or separately by reacting the free base function with a suitable organic acid or inorganic acid. Examples of pharmaceutically acceptable nontoxic acid addition salts include, but are not limited to, salts of an amino group formed with inorganic acids such as hydrochloric acid, hydrobromic acid, phosphoric acid, sulfuric acid and perchloric acid or with organic acids such as acetic acid, maleic acid, tartaric acid, citric acid, succinic acid lactobionic acid or malonic acid or by using other methods used in the art such as ion exchange. Other pharmaceutically acceptable salts include, but are not limited to, adipate, alginate, ascorbate, aspartate, benzenesulfonate, benzoate, bisulfate, borate, butyrate, camphorate, camphorsulfonate, citrate, cyclopentanepropionate, digluconate, dodecylsulfate, ethanesulfonate, formate, fumarate, glucoheptonate, glycerophosphate, gluconate, hemisulfate, heptanoate, hexanoate, hydroiodide, 2-hydroxy-ethanesulfonate, lactobionate, lactate, laurate, lauryl sulfate, malate, maleate, malonate, methanesulfonate, 2-naphthalenesulfonate, nicotinate, nitrate, oleate, oxalate, palmitate, pamoate, pectinate, persulfate, 3-phenylpropionate, phosphate, picrate, pivalate, propionate, stearate, succinate, sulfate, tartrate, thiocyanate, p-toluenesulfonate, undecanoate, valerate salts, and the like. Representative alkali or alkaline earth metal salts include sodium, lithium, potassium, calcium, magnesium, and the like. Further pharmaceutically acceptable salts include, when appropriate, nontoxic ammonium, quaternary ammonium, and amine cations formed using counterions such as halide, hydroxide, carboxylate, sulfate, phosphate, nitrate, alkyl having from 1 to 6 carbon atoms, sulfonate and aryl sulfonate.
- As used herein, the term "pharmaceutically acceptable ester" refers to esters which hydrolyze in vivo and include those that break down readily in the human body to leave the parent compound or a salt thereof. Suitable ester groups include, for example, those derived from pharmaceutically acceptable aliphatic carboxylic acids, particularly alkanoic, alkenoic, cycloalkanoic and alkanedioic acids, in which each alkyl or alkenyl moiety advantageously has not more than 6 carbon atoms. Examples of particular esters include, but are not limited to, formates, acetates, propionates, butyrates, acrylates and ethylsuccinates.
- The term "pharmaceutically acceptable prodrugs" as used herein refers to those prodrugs of the compounds of the present invention which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of humans and lower animals without undue toxicity, irritation, allergic response, and the like, commensurate with a reasonable benefit/risk ratio, and effective for their intended use, as well as the zwitterionic forms, where possible, of the compounds of the present invention.
- "Prodrug", as used herein, means a compound which is convertible in vivo by metabolic means (e.g. by hydrolysis) to a compound of the invention. Various forms of prodrugs are known in the art, for example, as discussed in Bundgaard, (ed.), Design of Prodrugs, Elsevier (1985); Widder, et al. (ed.), Methods in Enzymology, vol. 4, Academic Press (1985); Krogsgaard-Larsen, et al., (ed). "Design and Application of Prodrugs, Textbook of Drug Design and Development, Chapter 5, 113-191 (1991); Bundgaard, et al., Journal of Drug Deliver Reviews, 8:1-38(1992); Bundgaard, J. of Pharmaceutical Sciences, 77:285 et seq. (1988); Higuchi and Stella (eds.) Prodrugs as Novel Drug Delivery Systems, American Chemical Society (1975); and Bernard Testa & Joachim Mayer, "Hydrolysis In Drug And Prodrug Metabolism: Chemistry, Biochemistry And Enzymology," John Wiley and Sons, Ltd. (2002).
- As used herein, "pharmaceutically acceptable carrier" is intended to include any and all solvents, dispersion media, coatings, antibacterial and antifungal agents, isotonic and absorption delaying agents, and the like, compatible with pharmaceutical administration, such as sterile pyrogen-free water. Suitable carriers are described in the most recent edition of Remington's Pharmaceutical Sciences, a standard reference text in the field, which is incorporated herein by reference. Preferred examples of such carriers or diluents include, but are not limited to, water, saline, finger's solutions, dextrose solution, and 5% human serum albumin. Liposomes and non-aqueous vehicles such as fixed oils may also be used. The use of such media and agents for pharmaceutically active substances is well known in the art. Except insofar as any conventional media or agent is incompatible with the active compound, use thereof in the compositions is contemplated. Supplementary active compounds can also be incorporated into the compositions.
- As used herein, the term "pre-cancerous" refers to a condition that is not malignant, but is likely to become malignant if left untreated.
- The term "subject" as used herein refers to an animal. Preferably the animal is a mammal. More preferably the mammal is a human. A subject also refers to, for example, dogs, cats, horses, cows, pigs, guinea pigs, fish, birds and the like.
- The compounds of this invention may be modified by appending appropriate functionalities to enhance selective biological properties. Such modifications are known in the art and may include those which increase biological penetration into a given biological system (e.g., blood, lymphatic system, central nervous system), increase oral availability, increase solubility to allow administration by injection, alter metabolism and alter rate of excretion.
- The synthesized compounds can be separated from a reaction mixture and further purified by a method such as column chromatography, high pressure liquid chromatography, or recrystallization. As can be appreciated by the skilled artisan, further methods of synthesizing the compounds of the formulae herein will be evident to those of ordinary skill in the art. Additionally, the various synthetic steps may be performed in an alternate sequence or order to give the desired compounds. Synthetic chemistry transformations and protecting group methodologies (protection and deprotection) useful in synthesizing the compounds described herein are known in the art and include, for example, those such as described in R. Larock, Comprehensive Organic Transformations, VCH Publishers (1989); T.W. Greene and P.G.M. Wuts, Protective Groups in Organic Synthesis, 2d. Ed., John Wiley and Sons (1991); L. Fieser and M. Fieser, Fieser and Fieser's Reagents for Organic Synthesis, John Wiley and Sons (1994); and L. Paquette, ed., Encyclopedia of Reagents for Organic Synthesis, John Wiley and Sons (1995), and subsequent editions thereof.
- The compounds described herein can contain one or more asymmetric centers and thus give rise to enantiomers, diastereomers, and other stereoisomeric forms that may be defined, in terms of absolute stereochemistry, as (R)- or (S)-, or as (D)- or (L)- for amino acids. The present invention is meant to include all such possible isomers, as well as their racemic and optically pure forms. Optical isomers may be prepared from their respective optically active precursors by the procedures described above, or by resolving the racemic mixtures. The resolution can be carried out in the presence of a resolving agent, by chromatography or by repeated crystallization or by some combination of these techniques which are known to those skilled in the art. Further details regarding resolutions can be found in Jacques, et al., Enantiomers, Racemates, and Resolutions (John Wiley & Sons, 1981). When the compounds described herein contain olefinic double bonds, other unsaturation, or other centers of geometric asymmetry, and unless specified otherwise, it is intended that the compounds include both E and Z geometric isomers and/or cis- and trans- isomers. Likewise, all tautomeric forms are also intended to be included. The configuration of any carbon-carbon double bond appearing herein is selected for convenience only and is not intended to designate a particular configuration unless the text so states; thus a carbon-carbon double bond or carbon-heteroatom double bond depicted arbitrarily herein as trans may be cis, trans, or a mixture of the two in any proportion.
- The pharmaceutical compositions of the present invention comprise a therapeutically effective amount of a compound of the present invention formulated together with one or more pharmaceutically acceptable carriers or excipients.
- As used herein, the term "pharmaceutically acceptable carrier or excipient" means a non-toxic, inert solid, semi-solid or liquid filler, diluent, encapsulating material or formulation auxiliary of any type. Some examples of materials which can serve as pharmaceutically acceptable carriers are sugars such as lactose, glucose and sucrose; cyclodextrins such as alpha- (α), beta- (β) and gamma- (γ) cyclodextrins; starches such as corn starch and potato starch; cellulose and its derivatives such as sodium carboxymethyl cellulose, ethyl cellulose and cellulose acetate; powdered tragacanth; malt; gelatin; talc; excipients such as cocoa butter and suppository waxes; oils such as peanut oil, cottonseed oil, safflower oil, sesame oil, olive oil, corn oil and soybean oil; glycols such as propylene glycol; esters such as ethyl oleate and ethyl laurate; agar; buffering agents such as magnesium hydroxide and aluminum hydroxide; alginic acid; pyrogen-free water; isotonic saline; Ringer's solution; ethyl alcohol, and phosphate buffer solutions, as well as other non-toxic compatible lubricants such as sodium lauryl sulfate and magnesium stearate, as well as coloring agents, releasing agents, coating agents, sweetening, flavoring and perfuming agents, preservatives and antioxidants can also be present in the composition, according to the judgment of the formulator.
- The pharmaceutical compositions of this invention may be administered orally, parenterally, by inhalation spray, topically, rectally, nasally, buccally, vaginally or via an implanted reservoir, preferably by oral administration or administration by injection. The pharmaceutical compositions of this invention may contain any conventional non-toxic pharmaceutically-acceptable carriers, adjuvants or vehicles. In some cases, the pH of the formulation may be adjusted with pharmaceutically acceptable acids, bases or buffers to enhance the stability of the formulated compound or its delivery form. The term parenteral as used herein includes subcutaneous, intracutaneous, intravenous, intramuscular, intraarticular, intraarterial, intrasynovial, intracisternal, intrathecal, intralesional and intracranial injection or infusion techniques.
- Liquid dosage forms for oral administration include pharmaceutically acceptable emulsions, microemulsions, solutions, suspensions, syrups and elixirs. In addition to the active compounds, the liquid dosage forms may contain inert diluents commonly used in the art such as, for example, water or other solvents, solubilizing agents and emulsifiers such as ethyl alcohol, isopropyl alcohol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, propylene glycol, 1,3-butylene glycol, dimethylformamide, oils (in particular, cottonseed, groundnut, corn, germ, olive, castor, and sesame oils), glycerol, tetrahydrofurfuryl alcohol, polyethylene glycols and fatty acid esters of sorbitan, and mixtures thereof. Besides inert diluents, the oral compositions can also include adjuvants such as wetting agents, emulsifying and suspending agents, sweetening, flavoring, and perfuming agents.
- Injectable preparations, for example, sterile injectable aqueous or oleaginous suspensions, may be formulated according to the known art using suitable dispersing or wetting agents and suspending agents. The sterile injectable preparation may also be a sterile injectable solution, suspension or emulsion in a nontoxic parenterally acceptable diluent or solvent, for example, as a solution in 1,3-butanediol. Among the acceptable vehicles and solvents that may be employed are water, Ringer's solution, U.S.P. and isotonic sodium chloride solution. In addition, sterile, fixed oils are conventionally employed as a solvent or suspending medium. For this purpose any bland fixed oil can be employed including synthetic mono- or diglycerides. In addition, fatty acids such as oleic acid are used in the preparation of injectables.
- The injectable formulations can be sterilized, for example, by filtration through a bacterial-retaining filter, or by incorporating sterilizing agents in the form of sterile solid compositions which can be dissolved or dispersed in sterile water or other sterile injectable medium prior to use.
- In order to prolong the effect of a drug, it is often desirable to slow the absorption of the drug from subcutaneous or intramuscular injection. This may be accomplished by the use of a liquid suspension of crystalline or amorphous material with poor water solubility. The rate of absorption of the drug then depends upon its rate of dissolution, which, in turn, may depend upon crystal size and crystalline form. Alternatively, delayed absorption of a parenterally administered drug form is accomplished by dissolving or suspending the drug in an oil vehicle. Injectable depot forms are made by forming microencapsule matrices of the drug in biodegradable polymers such as polylactide-polyglycolide. Depending upon the ratio of drug to polymer and the nature of the particular polymer employed, the rate of drug release can be controlled. Examples of other biodegradable polymers include poly(orthoesters) and poly(anhydrides). Depot injectable formulations are also prepared by entrapping the drug in liposomes or microemulsions that are compatible with body tissues.
- Compositions for rectal or vaginal administration are preferably suppositories which can be prepared by mixing the compounds of this invention with suitable nonirritating excipients or carriers such as cocoa butter, polyethylene glycol or a suppository wax which are solid at ambient temperature but liquid at body temperature and therefore melt in the rectum or vaginal cavity and release the active compound.
- Solid dosage forms for oral administration include capsules, tablets, pills, powders, and granules. In such solid dosage forms, the active compound is mixed with at least one inert, pharmaceutically acceptable excipient or carrier such as sodium citrate or dicalcium phosphate and/or: a) fillers or extenders such as starches, lactose, sucrose, glucose, mannitol, and silicic acid, b) binders such as, for example, carboxymethylcellulose, alginates, gelatin, polyvinylpyrrolidinone, sucrose, and acacia, c) humectants such as glycerol, d) disintegrating agents such as agar-agar, calcium carbonate, potato or tapioca starch, alginic acid, certain silicates, and sodium carbonate, e) solution retarding agents such as paraffin, f) absorption accelerators such as quaternary ammonium compounds, g) wetting agents such as, for example, cetyl alcohol and glycerol monostearate, h) absorbents such as kaolin and bentonite clay, and i) lubricants such as talc, calcium stearate, magnesium stearate, solid polyethylene glycols, sodium lauryl sulfate, and mixtures thereof. In the case of capsules, tablets and pills, the dosage form may also comprise buffering agents.
- Solid compositions of a similar type may also be employed as fillers in soft and hard-filled gelatin capsules using such excipients as lactose or milk sugar as well as high molecular weight polyethylene glycols and the like.
- The solid dosage forms of tablets, dragees, capsules, pills, and granules can be prepared with coatings and shells such as enteric coatings and other coatings well known in the pharmaceutical formulating art. They may optionally contain opacifying agents and can also be of a composition that they release the active ingredient(s) only, or preferentially, in a certain part of the intestinal tract, optionally, in a delayed manner. Examples of embedding compositions that can be used include polymeric substances and waxes.
- Dosage forms for topical or transdermal administration of a compound of this invention include ointments, pastes, creams, lotions, gels, powders, solutions, sprays, inhalants or patches. The active component is admixed under sterile conditions with a pharmaceutically acceptable carrier and any needed preservatives or buffers as may be required. Ophthalmic formulation, ear drops, eye ointments, powders and solutions are also contemplated as being within the scope of this invention.
- The ointments, pastes, creams and gels may contain, in addition to an active compound of this invention, excipients such as animal and vegetable fats, oils, waxes, paraffins, starch, tragacanth, cellulose derivatives, polyethylene glycols, silicones, bentonites, silicic acid, talc and zinc oxide, or mixtures thereof.
- Powders and sprays can contain, in addition to the compounds of this invention, excipients such as lactose, talc, silicic acid, aluminum hydroxide, calcium silicates and polyamide powder, or mixtures of these substances. Sprays can additionally contain customary propellants such as chlorofluorohydrocarbons.
- Transdermal patches have the added advantage of providing controlled delivery of a compound to the body. Such dosage forms can be made by dissolving or dispensing the compound in the proper medium. Absorption enhancers can also be used to increase the flux of the compound across the skin. The rate can be controlled by either providing a rate controlling membrane or by dispersing the compound in a polymer matrix or gel.
- For pulmonary delivery, a therapeutic composition of the invention is formulated and administered to the patient in solid or liquid particulate form by direct administration e.g., inhalation into the respiratory system. Solid or liquid particulate forms of the active compound prepared for practicing the present invention include particles of respirable size: that is, particles of a size sufficiently small to pass through the mouth and larynx upon inhalation and into the bronchi and alveoli of the lungs. Delivery of aerosolized therapeutics, particularly aerosolized antibiotics, is known in the art (see, for example
U.S. Pat. No. 5,767,068 to VanDevanter et al. ,U.S. Pat. No. 5,508,269 to Smith et al. , andWO 98/43650 by Montgomery U.S. Pat. No. 6,014,969 , incorporated herein by reference. - By a "therapeutically effective amount" of a compound of the invention is meant an amount of the compound which confers a therapeutic effect on the treated subject, at a reasonable benefit/risk ratio applicable to any medical treatment. The therapeutic effect may be objective (i.e., measurable by some test or marker) or subjective (i.e., subject gives an indication of or feels an effect). An effective amount of the compound described above may range from about 0.1 mg/Kg to about 500 mg/Kg, preferably from about 1 to about 50 mg/Kg. Effective doses will also vary depending on route of administration, as well as the possibility of co-usage with other agents. It will be understood, however, that the total daily usage of the compounds and compositions of the present invention will be decided by the attending physician within the scope of sound medical judgment. The specific therapeutically effective dose level for any particular patient will depend upon a variety of factors including the disorder being treated and the severity of the disorder; the activity of the specific compound employed; the specific composition employed; the age, body weight, general health, sex and diet of the patient; the time of administration, route of administration, and rate of excretion of the specific compound employed; the duration of the treatment; drugs used in combination or contemporaneously with the specific compound employed; and like factors well known in the medical arts.
- The total daily dose of the compounds of this invention administered to a human or other animal in single or in divided doses can be in amounts, for example, from 0.01 to 50 mg/kg body weight or more usually from 0.1 to 25 mg/kg body weight. Single dose compositions may contain such amounts or submultiples thereof to make up the daily dose. In general, treatment regimens according to the present invention comprise administration to a patient in need of such treatment from about 10 mg to about 1000 mg of the compound(s) of this invention per day in single or multiple doses.
- The compounds of the formulae described herein can, for example, be administered by injection, intravenously, intraarterially, subdermally, intraperitoneally, intramuscularly, or subcutaneously; or orally, buccally, nasally, transmucosally, topically, in an ophthalmic preparation, or by inhalation, with a dosage ranging from about 0.1 to about 500 mg/kg of body weight, alternatively dosages between 1 mg and 1000 mg/dose, every 4 to 120 hours, or according to the requirements of the particular drug. The methods herein contemplate administration of an effective amount of compound or compound composition to achieve the desired or stated effect. Typically, the pharmaceutical compositions of this invention will be administered from about 1 to about 6 times per day or alternatively, as a continuous infusion. Such administration can be used as a chronic or acute therapy. The amount of active ingredient that may be combined with pharmaceutically excipients or carriers to produce a single dosage form will vary depending upon the host treated and the particular mode of administration. A typical preparation will contain from about 5% to about 95% active compound (w/w). Alternatively, such preparations may contain from about 20% to about 80% active compound.
- Lower or higher doses than those recited above may be required. Specific dosage and treatment regimens for any particular patient will depend upon a variety of factors, including the activity of the specific compound employed, the age, body weight, general health status, sex, diet, time of administration, rate of excretion, drug combination, the severity and course of the disease, condition or symptoms, the patient's disposition to the disease, condition or symptoms, and the judgment of the treating physician.
- Upon improvement of a patient's condition, a maintenance dose of a compound, composition or combination of this invention may be administered, if necessary. Subsequently, the dosage or frequency of administration, or both, may be reduced, as a function of the symptoms, to a level at which the improved condition is retained when the symptoms have been alleviated to the desired level. Patients may, however, require intermittent treatment on a long-term basis upon any recurrence of disease symptoms.
- The compounds and processes of the present invention will be better understood in connection with the following synthetic schemes and examples that illustrate the methods by which the compounds of the invention may be prepared, which are intended as an illustration only and not limiting of the scope of the invention.
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- 2-Chloro-5-nitroaniline (40 g, 232.0 mmol) was added to a solution of concentrated sulfuric acid (32 mL) in water (320 mL) with mechanical stir. The solution was cooled to - 5°C and a solution of sodium nitrite (18.2 g, 0.26 mol) in water (69 mL) was added slowly. The mixture was stirred for 0.5 h in ice bath and then a solution of potassium iodide (69.3 g, 0.41 mol) in water (277 mL) was added dropwise while keeping the internal temperature below 5°C. The solution was stirred for 3 h at 0°C followed by extraction with ethyl acetate. The combined orangnic layers were washed with saturated Na2S2O3, dried over Na2SO4 and concentrated. The residue was recrystallized from iPrOH/hexanes (300 mL/100 mL) to afford compound 1-3 as a light tan crystalline solid (38 g, 58% yield). 1H NMR (400 MHz, CDCl3): δ 7.61 (d, J=8.8 Hz, 1H), 8.16 (dd, J=8.8 Hz, 2.4 Hz, 1H), 8.70 (d, J=2.8 Hz, 1H).
- A mixture of compound 1-3 (37 g, 0.13 mol), iron powder (29.3 g, 0.52 mol), and NH4Cl (7g, 0.13 mol) in EtOH/H2O (200 mL/100 mL) was stirred at 75°C for 3 h. The reaction mixture was filtered and concentrated to remove most of EtOH. The remaining mixture was extracted with ethyl acetate, washed with water and brine, dried over Na2SO4. The titled compound 1-4 was obtained as a yellow solid (32 g, 97% yield) after cocentration. LCMS: m/z 254.0 [M+1]+. 1H NMR (400 MHz, CDCl3): δ 3.65 (br, 2H), 6.58 (dd, J=8.8 Hz, 2.4 Hz, 1H), 7.15-7.17 (m, 2H).
- A mixture of compound 1-4 (10 g, 39.5 mmol), 4,4,4',4',5,5,5',5'-octamethyl-2,2'-bi (1,3,2-dioxaborolane) (20.0 g, 79.0 mmol), KOAc (11.6 g, 118.5 mmol), and PdCl2(dppf) (960 mg, 1 mmol) in 1,4-dioxane (60 mL) was stirred at 105°C for 8 h under N2. The reaction mixture was concentrated in vacuo, and the residue was purified by column chromatography (hexanes/dichloromethane: 3/1 to 1/1) to afford compound 1-5 as a light yellow solid (6.0 g, 60% yield). LCMS: m/z 295.1 [M+42]+. 1H NMR (400 MHz, CDCl3): δ 1.36 (s, 12H), 3.61 (br, 2H), 6.65 (dd, J=8.8 Hz, 2.8 Hz, 1H), 7.00 (d, J=2.8 Hz, 1H), 7.11 (d, J=8.8 Hz, 1H).
- A mixture of compound 1-5 (1.50 g, 5.9 mmol), 2-bromopyridine (1.87 g, 11.8 mmol), sodium bicarbonate (1.49 g, 17.8 mmol), PdCl2(Ph3P)2 (100 mg, 0.09 mmol) in 1,4-dioxane /water (20 mL/10 mL) was heated at 110°C overnight. After cooling to room temperature, the mixture was quenched with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate and evaporated in vacuo. The crude product was purified by column chromatography (hexanes/ethyl acetate: 3/1) to afford compound 1-8 as a yellow solid (1.38 g, ∼100%). LCMS: m/z 205.1 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 5.32 (s, 2H), 6.61 (dd, J=8.4 Hz, 2.8 Hz, 1H), 6.77 (d, J=2.8 Hz, 1H), 7.14 (d, J=8.4 Hz, 1H), 7.35-7.39 (m, 1H), 7.57 (d, J=8.0 Hz, 1H), 7.83-7.87 (m, 1H), 8.63-8.65 (m, 1H).
- A mixture of compound 1-5 (1 g, 3.9 mmol), 2-chloro-4-(methylsulfonyl)benzoic acid (1.1 g, 4.7 mmol) and N,N-Diisopropylethylamine (1 g, 7.8 mmol) and O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluroniumtetrafluoroborate (2.6 g, 7.8 mmol) in dichloromethane (20 mL) was stirred at room temperature overnight. The reaction mixture was quenched with water, filtered. The solid was collected and dried in vacuo to afford compound 1-9 as a white solid (1.2 g, 65% yield). LCMS: m/z 470.1 [M+1]+ .°1H NMR: (400 MHz, DMSO-d6): δ 1.32 (s, 12H), 3.35 (s, 3H), 7.43 (d, J=8.8 Hz, 1H), 7.81 (dd, J=8.8 Hz, 2.8 Hz,1H), 7.89 (d, J=8.0 Hz, 1H), 7.98-8.01 (m, 2H), 8.12 (d, J=1.6 Hz, 1H), 10.82 (s, 1H).
- To a solution of 2-nitroaniline (5.0 g, 0.036 mol) in CH3CN (50 mL) was added a solution of 2-chloro-5-nitrobenzoyl chloride (8.0 g, 0.037 mol) in CH3CN (10 mL) dropwise while keeping the internal temperature below 25°C under N2. When addition was complete the reaction mixture was heated at 75°C for 1 h. The mixture was cooled to 0°C and filtered. The solid was rinsed with cold CH3CN to afford 2-2 as a light yellow solid (5.3 g, 50%).
- Compound 2-2 (5.3 g, 0.017 mol) was taken into EtOH (100 mL) and heated to 40°C.When the internal temperature reached 40°C, 1st aliquot SnCl2/HCl (3 vol respectively, divided into 3 portions) was added. The reaction mixture was heated to 60°C and the 2nd aliquot of SnCl2/HCl was added. The reaction mixture was heated to 80°C and the 3rd aliquot SnCl2/HCl was added and continued to reflux 2 h. The reaction mixture was cooled to 0°C and NaOH (1N aqueous solution) was added below 10°C to adjust pH to 12-13. The mixture was diluted with EA and water. The organic layer was washed with brine and concentrated. The crude product was purified by column chromatography eluted with dichloromethane/ methanol (60:1) to afford compound 2-3 as a yellow solid (2.7 g, 68% yield). LCMS: m/z 244.1 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 5.48 (s, 2H), 6.71 (d, J=8.8Hz, 1H), 7.13 (s, 1H), 7.21-7.24 (m, 3H), 7.57 (br, 1H), 7.64 (br, 1H), 12.52 (s , 1H).
- A mixture of 6-bromonicotinaldehyde (500 mg, 2.7 mmol) and methyl (triphenylphosphoranylidene) (1 g, 3.2 mmol) in dichloromethane (10 mL) was stirred at room temperature for 1 h. The mixture was concentrated in vacuo and filtered. The solid was washed with hexanes to afford crude compound 1001-1 as a white solid (1.5 g).
- A mixture of 1001 (121 mg, 0.5 mmol), 1-9 (200 mg, 0.4 mmol), Pd(PPh3)2Cl2(30 mg) in 1,4-dioxane (6 mL) and aq NaHCO3 (2 mL) was stirred at 110 °C for 3 h under N2. After cooling to room temperature, the reaciton mixture was quenched with water, extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate, evaporated in vacuo. The crude product was purified by column chromatography (methanol /dichloromethane: 1/20) to afford compound 1002 as a pale yellow solid (160 mg, 74% yield). 1H NMR (400 MHz, CDCl3): δ 3.09 (s, 3H), 3.85 (s, 3H), 6.57 (d, J=16.0 Hz, 1H), 7.44-7.48 (m, 1H), 7.52-7.55 (m, 1H), 7.62-7.67 (m, 1H), 7.73 (d, J=16.0 Hz, 1H), 7.80 (d, J=8.0 Hz, 1H), 7.81-7.86 (m, 2H), 7.89 (s, 1H), 7.89-7.95 (m, 2H), 8.03 (d, J=1.2 Hz, 1H), 8.14 (s, 1H), 8.80 (d, J=2.0 Hz, 1H).
- A mixture of NH2OH.HCl (80g, 1.15 mol) in MeOH (400 mL) was heated at 60-65°C while stirring to form a clear solution. After additional 1 h at reflux, it was cooled to 0 - 10°C. To the reaction mixture a pre-formed solution of KOH (96 g, purity >85%) in MeOH (237 mL) (prepared by adding KOH in portion to methanol at 0 - 10°C) was added dropwise while maintaining internal temperature <10°C. The resulting mixture was continued to stir at 0 - 10°C for 30 min. The suspension was poured into pressure equalizing addition funnel (1L) pre-packed with anhydrous Na2SO4 (700g) and let it sit for 0.5h. The clear filtrate was collected as NH2OH methanolic solution.
- A mixture of 1002 (150 mg, 0.3 mmol) in NH2OH methanolic solution (5 mL, 1.79M) was stirred at room temperature for 3∼4 h. The reaction mixture was adjusted pH to 6-7 with 1.2 M HCl and concentrated. The residue was triturated with water and filtered, dried in vacuo to afford compound 1 as an off white solid (90 mg, 60% yield). M.p:185∼187°C. LCMS: m/z 506.1[M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 3.35 (s, 3H), 6.65 (d, J=16.0 Hz, 1H), 7.55-7.61 (m, 2H), 7.74-7.78 (m, 2H), 7.91 (d, J=8.0 Hz, 1H), 8.01 (d, J=8.4 Hz, 1H), 8.06 (d, J=2.0 Hz, 1H), 8.11-8.13 (m, 2H), 8.90 (s, 1H), 10.90 (br, 1H), 10.96 (s, 1H).
- To a solution of 6-bromonicotinic acid (500 mg, 2.5 mmol) in dichloromethane (10 mL) and THF (5 mL) was added oxalyl chloride (1.4 mL, 0.016 mol) followed by addition of one drop of DMF. The mixture was stirred at room temperature for 1 h. After removal of solvent, the residue was dissolved in anhydrous methanol (5 mL) and continued to stir for 10 min. The reaction mixture was quenched with ice water and filtered to afford 1001-5 as a pale yellow solid (212 mg, 40%). LCMS: m/z 213.1 [M+1]+. 1H NMR (400 MHz, CDCl3): δ 3.96 (s, 3H), 7.42 (d, J=8.4 Hz, 1H), 8.25 (dd, J=8.0 Hz, 2.0 Hz, 1H), 9.00 (d, J=2.0 Hz, 1H).
- A mixture of compound 1001-5 (200 mg, 0.9 mmol), 1-9 (367 mg, 0.8 mmol) and Pd(PPh3)4 (21 mg, 0.018 mmol) in saturated NaHCO3 (2 mL) and 1,4-dioxane (6 mL) was stirred at 100°C for 3 h. To the reaction mixture was added NaOH (37mg, 0.9 mmol) and stirred for 0.5 h. The reaction mixture was adjusted pH to 6 with 1.2M HCl and extracted with ethyl acetate. The organic layer was washed with water and brine, dried over anhydrous sodium sulfate. The methyl ester was hydrolyzed during this reaction condition, and the obtained crude acid product (365 mg) (LCMS: m/z 465.1 [M+1]+) was used for the next step without further purification.. The mixture of the crude acid product (365 mg, 0.8 mmol) in MeOH (15 mL) and H2SO4 (0.25 mL) was stirred at 85°C for 1 h. The reaction mixture was concentrated. The residue was partitioned between water and ethyl acetate. The organic layers were washed with water and brine, dried over anhydrous sodium sulfate and concentrated. The residue was purified by column chromatography (dichloromethane/methanol: 20/1) to afford 1002-5 as a white solid (176 mg, 39% yield via two steps). LCMS: m/z 479.1 [M+1]+. 1H NMR(400 MHz, CDCl3): δ 3.07 (s, 3H), 3.99 (s, 3H), 7.52 (d, J=8.8Hz,1H), 7.81-7.86 (m, 4H), 7.88 (dd, J=8.8 Hz, 2.8Hz,1H), 7.97 (d, J=1.2 Hz, 1H),8.37 (dd, J=8.4 Hz, 2.4 Hz,1H), 8.62 (s, 1H), 9.17 (d, J=1.2Hz, 1H).
- A mixture of 1002-5 (176 mg, 0.4mmol) in NH2OH methanolic solution (5 mL, 1.79 M) was stirred at room temperature for 1 h. The reaction mixture was adjusted pH to 6∼7 with 1.2 M HCl. The reaction mixture was filtered, washed with water, dried in vacuo to afford compound 5 as an off-white solid (120mg 70% yield). M.p.: 190∼193°C. LCMS: m/z 480.2 [M+1]+. HNMR: (400 MHz, DMSO-d6): δ 3.35 (s, 3H), δ 7.61 (d, J=8.4 Hz, 1H), 7.76 (dd, J=8.8 Hz, 2.4 Hz,1H), 7.82 (d, J=8.0 Hz,1H), 7.91 (d, J=8.0 Hz,1H), 8.01 (dd, J=8.0Hz, 1.6Hz , 1H), 8.05 (d, J=2.4 Hz,1H), 8.13 (d, J=1.6 Hz,1H), 8.22 (dd, J=8.0 Hz, 2.0 Hz,1H), 9.02 (d, J=1.6 Hz, 1H), 9.28 (s, 1H), 10.96 (s, 1H), 11.48 (s, 1H).
- A mixture of NaH (27 g, 60% in mineral oil, 0.675mol) in anhydrous 1,2-dimethoxyethane (300 mL) was heated to 40-50°C. Methyl 3,3-dimethoxy propionate (100 g, 0.675 mol) was added dropwise. The resulting mixture was stirred for 0.5 h and anhydrous methyl formate (81 g, 1.35mol) was added dropwise at 40-50°C. The resulting mixture was stirred at 40-50°C (inner temperature) for 2 h before it was cooled to 0°C. The reaction mixture was allowed to warm to 25°C slowly and stirred overnight. Et2O (150 mL) was added and stirred for 30 min. The resulting suspension was filtered. The solid was washed with Et2O (100mL), collected and dried to afford sodium (Z)-2-(dimethoxymethyl)-3-methoxy-3-oxoprop-1-en-1-olate as an off-white solid (82 g, 61%). LCMS: m/z 130.8 [M+1]+. 1HNMR (400 MHz, CD3OD): δ 3.36 (s, 6H), 3.60 (s, 3H), 5.34 (s, 1H), 8.92 (s, 1H).
- To a mixture of guanidine hydrochloride (42.2 g, 0.44 mol) in DMF (300 mL) was added above off-white solid (80 g, 0.40 mol). The resulting mixture was heated at 100°C for 1 h. The reaction mixture was filtered before cooled. The filter cake was washed with 50 mL of DMF and the combined filtrate was concentrated to leave a residue which was suspended in cold EtOH and washed with cold EtOH (50 mL) to afford the intermediate 2-amino-pyrimidine-5-carboxylic acid methyl ester as a yellow solid (38 g, 61.5%). LCMS: m/z 154.2 [M+1]+, 195.1[M+42]+. 1HNMR (400 MHz, CD3OD): δ 3.88 (s, 3H), 8.77 (s, 2H).
- The obove intermediate (7 g, 0.046 mol) was added to a mixture of concentrated hydrochloric acid (15.2 mL) and CH2Cl2 (60 mL). After cooling, ZnCl2 (18.6 g, 0.138 mol) was added at 15-20°C. The mixture was stirred at 15-20°C: for 0.5 h and cooled to 5-10°C. NaNO2 (9.5 g, 0.138 mol) was added portion wise while keeping the internal temperature 5-10°C. The reaction was continued for ∼ 2 h. The reaction mixture was poured into ice-water (50 mL). The organic layer was separated and the aqueous phase was extracted with CH2Cl2 (30 mL x 2). The combined organic extracts were concentrated to afford crude product (4.2 g). The crude compound was suspended in hexane (20 mL), heated at 60°C for 30 minutes and filtered. The filtrate was concentrated to afford the titled compound 1001-7 (3.5 g, 44.4 %) as an off-white solid. LCMS: m/z 214.1[M+42]+. 1HNMR (400 MHz, CDCl3): δ 4.00 (s, 3H), 9.15 (s, 2H).
- A mixture of 1001-7 (200 mg, 1.1 mmol), 1-9 (756 mg, 1.6 mmol) and Pd(PPh3)4 (60 mg, 0.05 mmol) in saturated NaHCO3 (2 mL) and DMSO (6 mL) was stirred at 100°C for 3 h. After cooling to room temperature, NaOH (43 mg, 1.1 mmol) was added to reaction solution and stirred for 0.5 h. The reaction mixture was extracted with ethyl acetate. The aqueous layer was adjusted pH to 6 with 1.2 M HCl and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over Na2SO4, concentrated to afford crude acid (300 mg) without further purification.
- The mixture of the crude acid (300 mg) in MeOH (15 mL) and H2SO4 (0.25 mL) was stirred at 85°C for 1 h. After removal of solvent, the residue was partitioned between water and ethyl acetate. The combined organic layers were washed with water and brine, dried over Na2SO4. The crude product was purified by column chromatography (hexanes/ethyl acetate: 1/1) to afford compound 1002-7 as a white solid (160 mg, 78% yield via two steps). LCMS: m/z 480.2[M+1]+. 1H NMR: (400 MHz, CDCl3): δ 3.36 (s, 3H), 3.96 (s, 3H), 7.65 (d, J=8.8 Hz, 1H), 7.81 (dd, J=8.8 Hz, J=2.4 Hz, 1H), 7.93 (d, J=8.0 Hz, 1H), 8.02 (dd, J=8.0 Hz, 1.6 Hz, 1H), 8.14 (d, J=1.2Hz, 1H), 8.30 (d, J=2.4 Hz, 1H), 9.40 (s, 2H), 11.02 (s, 1H).
- A mixture of compound 1002-7 (160 mg, 0.3 mmol) in NH2OH methanolic solution (5 mL, 1.79 M) was stirred at room temperature for 1 h. The reaction mixture was adjusted pH to 6-7 with 1.2 M HCl and concentrated. The residue was triturated with water and filtered. The crude product was purified by prep-HPLC to afford compound 7 as an off-white solid (28 mg, 18% yiled). M.p.: 170∼172°C. LCMS: m/z 481.1 [M+1]+. 1H NMR: (400 MHz, DMSO-d6): δ 3.35 (s, 3H), 7.63 (d, J=8.8 Hz, 1H), 7.79 (dd, J=8.8 Hz, 2.4 Hz, 1H), 7.93 (d, J=8.0 Hz, 1H), 8.01 (dd, J=8.0 Hz, 1.6 Hz, 1H), 8.14 (d, J=1.6Hz, 1H), 8.26 (d, J=2.4 Hz, 1H), 9.23 (s, 2H), 11.01 (s, 1H).
- 3-Amino-6-bromopyridine (1 g, 5.8 mmol) was dissolved in HBF4 (3.6 mL, 40% aq) and water (3 mL). To the cooled brownish solution under an ice-bath was added dropwise NaNO2 (441 mg, 6.4 mmol) solution in water (3 mL). The resulting mixture was stirried for 1 h at this tempreture. After addition of water (3 mL), the mixture was stirred at 100°C for 3.5 h. The reaction mixture was neutralized by aqueous NaHCO3 (5%) and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4 and evaporated in vacuo. The residue was purified by column chromatography (hexanes/ethyl acetate: 9/1) to afford compound 2002 as a white solid (270 mg, 27% yield). LCMS: m/z 174.0 [M+1]+. 1H NMR (400 MHz, CDCl3): δ 6.65 (br, 1H), 7.13 (dd, J=8.4 Hz, 3.2 Hz, 1H), 7.36 (d, J=8.4 Hz, 1H), 8.03 (d, J=3.2 Hz, 1H).
- A mixture of 2002 (270 mg, 1.5 mmol), ethyl 7-bromoheptanoate (736 mg, 3.1 mmol) and K2CO3 (430 mg, 3.1 mmol) in DMF (10 mL) was stirred at 75°C for 1 h. The solution was partitioned between water and ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4 and evaporated in vacuo. The residue was purified by column chromatography (hexanes/ethyl acetate: 20/1) to afford compound 2003-23 as a white solid (440 mg, 86% yield). LCMS: m/z 330.1 [M+1]+. 1H NMR: (400 MHz, CDCl3): δ 1.25 (t, J=7.2 Hz, 3H), 1.36-1.52 (m, 4H), 1.62-1.68 (m, 2H), 1.76-1.83 (m, 2H), 2.31 (t, J=7.2 Hz, 2H), 3.97 (t, J=6.4 Hz, 2H), 4.13 (q, J=7.2 Hz, 2H), 7.08 (dd, J=8.8 Hz, 3.2 Hz, 1H), 7.35 (d, J=8.8 Hz, 1H), 8.04 (d, J=2.8 Hz, 1H).
- A mixture of 2003-23 (168 mg, 0.51 mmol), 1-9 (200 mg, 0.43 mmol) and Pd(PPh3)4 (24.6 mg, 0.03 mmol) in saturated NaHCO3 (2 mL) and 1,4-dioxane (6 mL) was stirred at 100°C for 3 h. The solution was partitioned between water and ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4 and evaporated in vacuo. The residue was purified by column chromatography (dichloromethane/ methanol: 100/1) to afford 2004-23 as a white solid (130 mg, 43% yield). LCMS: m/z 593.2 [M+1]+. 1H NMR (400 MHz, CDCl3): δ 1.26 (t, J=7.2 Hz, 3H), 1.37-1.54 (m, 4H), 1.63-1.71 (m, 2H), 1.78-1.85 (m, 2H), 2.32 (t, J=7.2 Hz, 2H), 3.00 (s, 3H), 3.98 (t, J=6.4 Hz, 2H), 4.12 (q, J=7.2 Hz, 2H), 7.19 (dd, J=8.8 Hz, 2.8 Hz, 1H), 7.58 (d, J=1.2 Hz, 1H), 7.61 (d, J=1.2Hz, 1H), 7.63 (d, J=1.6Hz, 1H), 7.69 (dd, J=8.0 Hz, 1.6 Hz, 1H), 7.73 (d, J=2.4 Hz, 1H), 7.86 (d, J=1.6 Hz, 1H), 8.02 (dd, J=8.8 Hz, 2.8 Hz, 1H), 8.05 (d, J=2.8 Hz, 1H), 9.88 (s, 1H).
- A mixture of 2004-23 (130 mg, 0.22 mmol) in NH2OH methanolic solution (5 mL, 1.79 M) was stirred at room temperature for 1 h. The reaction mixture was adjusted pH to 6-7 with 1.2 M HCl. The resulting mixture was filtered. The collected solid was purified by prep-HPLC to afford compound 23 as a white solid (27 mg, 21% yiled). M.p.: 140-145°C. LCMS: m/z 580.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.29-1.35 (m, 2H), 1.40-1.47 (m, 2H), 1.49-1.56 (m, 2H), 1.72-1.78 (m, 2H), 1.96 (t, J=7.2 Hz, 2H), 3.35 (s, 3H), 4.10 (t, J=6.4 Hz, 2H), 7.50 (dd, J=8.8 Hz, 2.8 Hz, 1H), 7.55 (d, J=8.8Hz, 1H), 7.64 (d, J=8.8Hz, 1H), 7.70 (dd, J=8.8 Hz, 2.8 Hz, 1H), 7.91 (d, J=8.0 Hz, 1H), 7.99-8.02 (m, 2H), 8.13 (d, J=1.6Hz, 1H), 8.40 (d, J=2.8 Hz, 1H), 8.66 (s, 1H), 10.34(s, 1 H), 10.90 (s, 1H).
- A mixture of 2-chloro-4-nitrobenzoic acid (5.0 g, 24.8 mmol), iron powder (8.0 g, 142.9 mmol) and NH4Cl (7.6 g, 142.9 mmol) in EtOH/water (50/50 mL) was heated at reflux for 2 h. The hot mixture was filtered through Celite and washed with ethyl acetate. The mixture was separated and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate. The crude product was purified by column chromatography (hexanes/ethyl acetate: 5/1, 3/1, 1/1) to afford compound 3002 as a white solid (1.0 g, 24% yield). 1H NMR (400 MHz, DMSO-d6): δ 6.04 (s, 2H), 6.49 (dd, J=8.4 Hz, 2.0 Hz, 1H), 6.61 (d, J=2.0 Hz, 1H), 6.63 (d, J=8.8 Hz, 1H), 12.21 (br, 1H).
- To a solution of 3002 (1.00g, 5.4 mmol) in HOAc (20 mL) was added conc. HCl (5 mL) at 0°C. After 15 min, NaNO2 aqueous solution (1.10g, 16.2 mmol in water 4.5 mL) was added dropwise at -5∼-10°C and continued to stir at this temperature for 45 min. The above reaction mixture was added dropwise to cuprous chloride (0.14 g, 1.4 mmol) and saturated sulfur dioxide in acetic acid (40 mL) at 0°C. After addition was complete the resulting mixture was warmed to 10°C and stirred for 30 min. The reaction mixture was quenched with ice water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate. The crude product was purified by column chromatography (dichloromethane/methanol: 100/2, 100/5, 100/10) to afford compound 3003 as an off-white solid (500 mg, 34% yield). Step 5c. 2-Chloro-4-(N-(7-ethoxy-7-oxoheptyl)sulfamoyl)benzoic acid (compound 3004-59)
- To a mixture of ethyl 7-aminoheptanoate hydrochloride (777 mg, 3.7 mmol) and N, N-diisopropylethylamine (4.0 g, 31.2 mmol) in dichloromethane (80 mL) was added compound 3003 (1.0 g, 3.9 mmol). The resulting mixture was stirred at room temperature overnight. The reaction mixture was adjusted pH to 6∼7 with 2M HCl and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate. The crude product was purified by column chromatography (dichloromethane/methanol: 100/2, 100/5, 100/10) to afford compound 3004-59 as a white solid (520 mg, 44% yield). LCMS: m/z 392.1 [M+1]+. 1H NMR (400 MHz, CDCl3): δ 1.25-1.33 (m, 7H), 1.44-1.62 (m, 4H), 2.28 (t, J=7.2 Hz, 2H), 2.98-3.02 (m, 2H), 4.13 (q, J=7.2Hz, 2H), 5.07 (t, J=5.6 Hz, 1H), 7.82 (d, J=8.0Hz, 1H), 7.97 (s, 1H), 8.08 (d, J=8.0Hz, 1H).
- A mixture of 3004-59 (520 mg, 1.3 mmol), oxalyl chloride (1.59 g, 12.5 mmol) and DMF (0.05 mL) in dichloromethane was stirred at room temperature for 2 h. After evaporation, the residue was dissolved in dichloromethane, compound 1-8 (244 mg, 1.2 mmol) and N, N-diisopropylethylamine (325 mg, 2.5 mmol) were added. The reaction mixture was stirred at room temperature overnight. The reaction mixture was quenched with water and extracted with dichloromethane. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate. The crude product was purified by column chromatography (hexanes/ethyl acetate: 5/1, 3/1, 1/1) to afford compound 3005-59 as a white solid (250 mg, 33% yield). LCMS: m/z 578.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.13-1.22 (m, 7H), 1.38-1.49 (m, 4H), 2.22-2.27 (m, 2H), 2.76 (t, J=6.8Hz, 2H), 4.03 (q, J=6.8 Hz, 2H), 7.44-7.47 (m, 1H), 7.59 (dd, J=8.4 Hz, 3.2 Hz, 1H), 7.69 (d, J=7.6Hz, 1H), 7.74-7.79 (m, 1H), 7.85 (s, 2H), 7.91-7.95 (m, 3H), 8.02 (d, J=2.0 Hz, 1H), 8.71 (d, J=4.8 Hz, 1H), 10.93 (s, 1H).
- A mixture of 3005-59 (150 mg, 0.2 mmol) in NH2OH methanolic solution (10mL, 1.79 M) was stirred at room temperature for 2.5 h. TLC showed reaction complete. The reaction mixture was adjusted pH to 5∼6 with 2 M HCl, concentrated. The residue was triturated with water and filtered, purified by prep-HPLC to afford compound 59 as a white solid (46 mg, 32%). M.p.: 158.7∼159.3°C. LCMS: m/z 565.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.14-1.23 (m, 2H), 1.36-1.46 (m, 4H), 1.91 (t, J=7.2 Hz, 2H), 2.77 (q, J=6.4Hz, 2H), 3.40-3.47 (m, 2H), 7.44-7.47 (m, 1H), 7.58 (d, J=8.8H, 1H), 7.69 (d, J=7.6 Hz, 1H), 7.75 (dd, J=8.4Hz, 2.4Hz, 1H), 7.83-7.85 (m, 3H), 7.91-7.95 (m, 2H), 8.02 (d, J=2.4 Hz,1H), 8.71 (d, J=4.8 Hz, 1H), 10.32 (s, 1H), 10.89 (s, 1H).
- Sodium (27.6 g, 1.2 mol) was added to hexane (400 mL) and ethanol (27 g, 1.17 mol) was added dropwise at room temperature. The mixture was stirred at room temperature for 1 h. Then ethyl 3-ethoxypropanoate (88.0 g, 602 mmol) was added dropwise at 0°C followed by ethyl formate (90 g, 1.22 mol). The reaction mixture was stirred at 0°C for 2 h. and dimethyl sulfate (160 g, 1.27 mol) was added dropwise at the same temperature. The resulting mixture was heated at 50°C overnight, filtered, and washed with hexane (300-500 mL). To the combined filtrate was added triethylammonium chloride (80 g, 0.58 mol) and sodium hydroxide (14.00 g, 0.35 mol). The mixture was stirred at room temperature for 4 h and filtered. The filtrate was washed with water, dried over Na2SO4 and concentrated. The residue was purified by distillation to give the desired compound 4002 (63.5 g, 56%) as a colorless oil. LCMS: m/z 211 [M+23]+. 1H NMR (400 MHz, CDCl3): δ 1.20 (t, J = 7.2 Hz, 3H), 1.28 (t, J = 7.2 Hz, 3H), 3.50 (q, J = 7.2 Hz, 2H), 3.88 (s, 3H), 4.20 (m, 4H), 7.45 (s, 1H).
- A mixture of compound 4002 (63.5 g, 337 mmol), urea (18.7 g, 312 mmol) and concentrated hydrochloric acid (16 mL) in ethanol (300 mL) was heated at reflux overnight. After evaporating the most of ethanol (∼250 mL), the resulting suspension was filtered, washed with small amount of ethanol, and dried to give compound 4003 (23.5 g, 44%) as a white solid. LCMS: m/z 171 [M+1]+. 1H NMR (400 MHz, CDCl3): δ 1.27 (t, J = 7.2 Hz , 3H), 4.19 (m, 4H), 5.28 (s, 1H), 7.21 (d, J= 5.6 Hz, 1H), 7.40 (s, 1H).
- To a solution of compound 4003 (23.5 g, 138 mmol) in acetic acid (300 mL) was added bromine (22.7 g, 142 mmol). The mixture was heated at reflux for 3 h and concentrated in vacuum to afford the hydrobromide salt of crude compound 4004 as a yellow solid. The product was used directly in next step without further purification. LCMS: m/z 169 [M+1]+ 1H NMR (400 MHz, CDCl3): δ 1.27 (t, J= 7.2 Hz , 3H), 4.28 (q, J = 7.2 Hz , 2H), 8.85 (s, 2H), 12.19 (br, s, 2H).
- A mixture of crude compound 4004 and phosphoryl trichloride (300 mL) was heated at reflux for 3 h, cooled to room temperature and concentrated. The residue was cooled to room temperature and dissolved in ethyl acetate (500 mL). The EtOAc solution was treated with ice water (300 mL) carefully, washed with ice-water and brine, dried over Na2SO4, evaporated, and purified by column chromatography (eluted with EtOAc/Hexane: 10%) to afford compound 4005 (14 g, 54%, two steps) as a white solid. LCMS: m/z 187 [M+1]+. 1H NMR (300 MHz, CDCl3): δ 1.42 (t, J = 7.5 Hz , 3H), 4.48 (q, J = 7.5 Hz, 2H), 9.15 (s, 2H).
- A mixture of tert-butyl piperazine-1-carboxylate (1.1 g, 5.9 mmol) and 4005 (1 g, 5.4 mmol), Et3N (1.1 g, 10.8 mmol) in CH2Cl2 (10 mL) was stirred at room temperature for 2 h. The reaction mixture was washed with H2O The organic layer was concentrated. The residue was purified by chromatography eluting with Hexane/EtOAc = 250:10, then 250:20 to afford the compound ethyl 2-(4-(tert-butoxycarbonyl)piperazin-1-yl)pyrimidine-5-carboxylate (900 mg, 45.4%) as a white solid. 1H NMR (400 MHz, CDCl3): δ 1.37 (t, 3H, J=6.8Hz), 1.49 (s, 9H), 3.51 (t, 4H, J=4.8Hz), 3.92 (t, 4H, J=5.2Hz), 4.35 (q, 2H, J=7.2 Hz), 8.85 (s, 2H).
- A mixture of above product (500 mg, 1.49 mmol) and HCl/dioxane (10 mL) was stirred at room temperature for 2 h. The reaction mixture was concentrated. The residue was partitioned between EtOAc and saturated aq. NaHCO3. The organic layer was washed with brine, dried over Na2SO4 and concentrated to afford the titled compound 4006 (370 mg, 88.2%) as a white solid. 1H NMR (400 MHz, CDCl3): δ 1.39 (t, 3H, J=6.8Hz), 2.96 (t, 4H, J=4.8Hz), 3.95 (t, 4H, J=5.2Hz), 4.36 (q, 2H, J=7.2 Hz), 8.86 (s, 2H).
- To a mixture of 4006 (1.04g, 4.7mmol) and DIPEA (4.0g, 31.2mmol) in dicholoromethane (80mL) was added compound 3003 (1.0g, 3.9mmol). The mixture solution was stirred at room temperature overnight. The reaction mixture was adjusted pH to 6∼7 with 2M HCl and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate, evaportated in vacuo. The crude product was purified by column chromatography (methane/dichloromethane: 1/20) to afford compound 4007 as a white solid (520 mg, 30% yield). LCMS: m/z 455.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.27 (t, J=7.2 Hz, 3H), 3.08 (br, 4H), 3.96 (br, 4H), 4.25 (q, J=7.2 Hz, 2H), 7.72 (dd, J=8.0Hz, 1.6Hz, 1H), 7.78 (d, J=1.2Hz, 1H), 7.87 (d, J=8.0Hz, 1H), 8.76 (s, 2H).
- A mixture of 4007 (500 mg, 1.1 mmol), oxalyl chloride (1.59 g, 12.5 mmol) and DMF (0.05mL) in dichloromethane (10mL) was stirred at room temperature for 2 h. The reaction mixture was concentrated and the residue was dissolved in dichloromethane (15mL). Compound 1-8 (278 mg, 1.2 mmol) and DIPEA (325 mg, 2.5 mmol) were added. The resulting mixture was stirred at room temperature overnight. The reaction mixture was quenched with water and extracted with dichloromethane. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate and evaporated in vacuo. The crude product was purified by column chromatography (methanol/dichloromethane: 1/20) to afford compound 4008 as a white solid (180 mg, 25% yield). LCMS: m/z 641.2[M+1]+. 1HNMR(400 MHz, DMSO-d6): δ 1.28 (t, J=7.2Hz, 3H), 3.11 (br, 4H), 3.99 (br, 4H), 4.26 (q, J=7.2Hz, 2H), 7.43-7.46 (m, 1H), 7.58 (d, J-8.8Hz, 1H), 7.69 (d, J=8.0Hz, 1H), 7.72 (dd, J=8.8 Hz, 2.8 Hz, 1H), 7.83 (dd, J=8.0Hz, 1.2Hz, 1H), 7.88-7.91 (m, 2H), 7.93 (dd, J=8.0 Hz, 2.0 Hz, 1H), 7.99 (d, J=2.8 Hz, 1H), 8.71 (d, J=4.4 Hz, 1H), 8.78 (s, 2H), 10.84 (s, 1H).
- A mixture of 4008 (180mg, 0.3mmol) and NH2OH (15mL, 1.79M) methanolic solution was stirred at room temperature for 2.5 h. The reaction mixture was adjusted pH to 5∼6 with 2M HCl and evaporated. The resulting mixture was filtered. The crude product was purified by prep-HPLC to afford compound 86 as a white solid (50 mg, 26% yield). M.p.:158.7-159.3°C LCMS: m/z 628.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 3.09 (br, 4H), 3.93 (br, 4H), 7.43-7.46 (m, 1H), 7.58 (d, J=8.4 Hz, 1H), 7.69-7.73 (m, 2H), 7.83 (dd, J=8.0Hz, 1.2Hz, 1H), 7.87-7.90 (m, 2H), 7.93 (dd, J=7.6 Hz, 1.6 Hz, 1H), 7.99 (d, J=2.4Hz, 1H), 8.66 (s, 2H), 8.70 (d, J=4.0Hz, 1H), 9.02 (s, 1H), 10.84 (s, 1H), 11.09 (s, 1H).
- 3-Acetoxybenzoic acid (2.6 g, 0.015 mol) was added to a mixture of compound 2-3 (3.5 g, 0.012 mol), HATU (6.9 g, 0.018 mol) and Et3N (2.5 mL, 0.018 mol) in dichloromethane (30 mL). The reaction mixture was stirred at room temperature overnight. The mixture was quenched with water and extracted with dichloromethane. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4. The crude product was purified by column chromatography (hexanes/ethyl acetate: 1/1) to afford compound 5001-111 as a white solid (2.6 g, 49% yield). LCMS: m/z 449.2 [M+1]+.
- To a solution of compound 5001-111 (1.0 g, 0.002 mol) in MeOH (15 mL) was added a solution of NaOH (0.89 g, 0.02 mol) in H2O (15 mL). The reaction mixture was heated at reflux overnight. After cooling at ice bath, the mixture was adjusted pH to 7∼8 with 1M HCl and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4, evaporated in vacuo to afford crude compound 5002-111 as a yellow solid (0.81 g, 100% yield). LCMS: m/z 407.2 [M+1]+.
- To a mixture of compound 5002-111 (1.40 g, 0.0034 mol), ethyl 7-hydroxyheptanoate (0.89 g, 0.0052 mol) and PPh3 (1.8 g, 0.0069 mol) in anhydrous THF (20 mL) was added DIAD (1.39 g, 0.0069 mol) at 0°C under nitrogen atmosphere. The resulting solution was heated at 65°C overnight. After cooling to room temperature, the reaction mixture was concentrated in vacuo. The crude product was purified by column chromatography (dichloromethane/ethyl acetate: 1:1) to afford compound 5003-111 as a white solid (0.9 g, 47% yield). LCMS: m/z 563.3 [M+1]+.
- Compound 5003-111 (120 mg, 0.21 mmol) was taken into NH2OH methanolic solution (10 mL, 1.79 M). The mixture stirred at room temperature for 40 min. The reaction mixture was adjusted pH to 8-9 with acetic acid and concentrated in vacuo. The residue was purified by prep-HPLC to afford compound 111 as a white solid (30 mg, 26% yield). M.p: 140∼142°C. LCMS: m/z 550.3 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.28-1.35 (m, 2H), 1.40-1.56 (m, 4H), 1.72-1.76 (m, 2H), 1.96 (t, J=3.2 Hz, 2H), 2.93 (s, 6H), 4.05 (t, J=6.4 Hz, 2H), 6.84 (d, J=8.4 Hz, 2H), 7.16-7.18 (m, 1H), 7.43-7.61 (m, 5H), 7.97 (dd, J=8.8Hz, 2.4Hz, 1H), 8.23 (s, 1H), 8.42 (d, J=2.4 Hz, 1H), 10.36 (s, 1H), 10.47 (s, 1H), 12.23 (br, 1H).
- A mixture of 1-bromo-2-chloro-4-methylbenzene (5 g, 24 mmol), NBS (5.19g, 29 mmol), AIBN (0.39g, 2.0 mmol) in CCl4 (50mL) was heated at reflux overnight. The hot reaction mixture was filtered and rinsed with CCl4. The combined organic layer was washed with water and brine, dried over NaSO4, evaporated in vacuo to afford compound 6002 as a white solid (5.6g, 82% yield). 1H NMR (400 MHz, CDCl3): δ 4.39 (s, 2H), 7.14 (dd, J=8.0 Hz, 2.0 Hz, 1H), 7.48 (d, J=2.4 Hz, 1H), 7.58 (d, J=8.4 Hz, 1H).
- To a stirring solution of MeNHBoc in DMF (10mL) cooled to 0°C was added sodium hydride (590 mg, 24.6mmol). The resulting mixture was stirred for 10 min followed by the addition of a solution of 6002 (4.67g, 16.0 mmol) in DMF (5 mL). The reaction mixture was warmed to room temperature and stirred for 8 h. The reaction mixture was quenched with ice water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate and evaporated in vacuo. The crude product was purified by column chromatography (ethyl acetate/hexanes: 1/10) to afford 6003 as a white solid (1.8 g, 34% yield). 1H NMR (400 MHz, CDCl3): δ 1.47 (s, 9H), 2.83 (d, J=18.4 Hz, 3H), 4.35 (s, 2H), 6.99 (s, 1H), 7.32 (s, 1H), 7.56 (d, J=8.4 Hz, 1H).
- To a solution of 6003 (2.15g, 6.4 mmol) in anhydrous THF (20 mL) was added n-BuLi (3.8 mL, 2.5 M, 9.5 mmol) dropwise at -78°C. The resulting mixture was continued to stir for 2 h followed by the addition of N-formyl morpholine (884 mg, 7.7 mmol) at - 78°C. The resulting mixture was warmed to room temperature and stirred overnight. The reaction mixture was quenched with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate and evaporated in vacuo. The crude product was purified by column chromatography (ethyl acetate/hexanes: 1/10) to afford compound 6004 as a red oil (570 mg, 25% yield). LCMS: m/z 282.1 [M-1]-. 1H NMR (400 MHz, CDCl3): δ 1.45, 1.50 (two single peaks, 9H), 2.85, 2.90 (two single peaks, 3H), 4.46 (br, 2H), 7.23 (d, J=6.8 Hz, 1H), 7.31 (s, 1H), 7.90 (d, J=8.0Hz, 1H), 10.45 (s, 1H).
- A mixture of 6004 (570 mg, 2.0 mmol) in TFA (10 mL) was stirred at room temperature for 2 h. The reaction mixture was concentrated. The residue was mixed with 4005 (560 mg, 3.0 mmol) and TEA (10 ml) and the resulting mixture was stirred at room temperature overnight. The reaction mixture was quenched with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over Na2SO4. The crude product was purified by column chromatography (ethyl acetate/hexanes: 1/5) to afford compound 6005 as a yellow solid (425 mg, 65% yield). LCMS: m/z 334.1 [M+1]+. 1H NMR(400 MHz, DMSO-d6): δ 1.29 (t, J=7.2 Hz, 3H), 3.22 (s, 3H), 4.27 (q, J=7.2 Hz, 2H), 5.02 (s, 2H), 7.36 (d, J=8.0 Hz, 1H), 7.47 (s, 1H), 7.83 (d, J=8.0 Hz, 1H), 8.79, 8.86 (two single peaks, 2H), 10.29 (s, 1H).
- A mixture of compound 6005 (425 mg, 1.27 mmol), NaIO4 (408 mg, 1.9 mmol), RuCl3 (40 mg, 0.2 mmol) in CH3CN (15 mL) was stirred at room temperature for 16 h. The reaction mixture was quenched with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over Na2SO4. The crude compound 6006 was obtained as a white solid (188 mg) which used directly for the next step. LCMS: m/z 350.1 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.29 (t, J=7.2 Hz, 3H), 3.21 (s, 3H), 4.28 (q, J=7.2 Hz, 2H), 4.98 (s, 2H), 7.26 (d, J=8.0 Hz, 1H), 7.40 (s, 1H), 7.76 (d, J=7.6 Hz, 1H), 8.80, 8.86 (two single peaks, 2H).
- A mixture of 6006 (118 mg, 0.3 mmol) in DMF (0.10 mL), thionyl chloride (2 mL, 27.5 mmol) was stirred at room temperature overnight. The reaction mixture was concentrated and the residue was dissolved in anhydrous dichloromethane (5 mL) and cooled at ice bath. To the mixture was added DIPEA (1.0 mL, 6.0 mmol) and compound 1-8 (83 mg, 0.4 mmol) and the resultuing mixture was warmed to room temperature and stirred overnight. The reaction was quenched with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over NaSO4. The crude product was purified by column chromatography (ethyl acetate/ dichloromethane: 5/1) to afford compound 6007 as a white solid (100 mg 50% yield). LCMS: m/z 536.2 [M+1]+.1H NMR (400 MHz, DMSO-d6): δ 1.29 (t, J=7.2 Hz, 3H), 3.22 (s, 3H), 4.28 (q, J=7.2 Hz, 2H), 4.99 (s, 2H), 7.31 (d, J=7.6Hz, 1H), 7.43-7.45 (m, 2H), 7.54-7.58 (m, 2H), 7.68 (d, J=7.6 Hz, 1H), 7.75 (dd, J=8.8 Hz, 2.4 Hz, 1H), 7.90-7.94 (m, 1H), 8.02 (d, J=2.8 Hz, 1H), 8.70 (d, J= 4.4 Hz, 1H), 8.82-8.86 (m, 2H), 10.71 (s, 1H).
- Compound 6007 (100 mg, 0.2 mmol) was taken into NH2OH methanolic solution (10 mL, 1.79 M). The resulting mixture was stirred at room temperature for 2 h. The reaction mixture was adjusted pH to 7∼8 with acetic acid and concentrated. The residue was triturated with water and filtered to afford compound 263 as a white solid (60 mg, 60% yield). LCMS: m/z 523.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): 3.19 (s, 3H), 4.96 (s, 2H), 7.29 (d, J=8.0Hz, 1H), 7.42-7.46 (m, 2H), 7.54-7.57 (m, 2H), 7.67 (d, J=8.0Hz, 1H), 7.75 (d, J=8.8 Hz, 2.8 Hz, 1H), 7.90-7.94 (m, 1H), 8.01 (d, J=2.4 Hz, 1H), 8.70 (d, J=4.4 Hz, 1H), 8.74 (s, 2H), 9.03 (s, 1H), 10.75 (s, 1H), 11.21 (s, 1H).
- Compound 3003 (200 mg, 0.7 mmol) was dissolved in dichloromethane (5 mL) followed by the addition of saturated NH3 methanolic solution (0.5 mL) at 0°C. After addition, the reaction mixture was warmed to room temperature and stirred for 5 min. After evaporation, the residue was purified by column chromatography (hexanes/ethyl acetate: 3/1) to afford compound 7001 as a white solid (160 mg, 86% yield). LCMS: m/z 248.0[M-1]-. 1H NMR (400 MHz, DMSO-d6): δ 3.91 (s, 3H), 7.69 (s, 2H), 7.88 (dd, J=8.4 Hz, 1.6 Hz, 1H), 7.97 (d, J=1.2 Hz, 1H), 8.02 (d, J=8.0 Hz, 1H).
- A mixture of 7001 (1.44 g, 5.8 mmol), Boc2O (2.51g, 11.5 mmol) and DMAP (71 mg) in dichloromethane (30 mL) was heated at reflux overnight. After cooling to room temperature, the mixture was quenched with water, extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4. The crude product was purified by column chromatography (hexanes/ethyl acetate: 2/1) to afford compound methyl 4-(N-(tert-butoxycarbonyl)sulfamoyl)-2-chlorobenzoate as a white solid (1.20 g, 60% yield). LCMS: m/z 350.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.32 (s, 9H), 3.91 (s, 3H), 7.94 (dd, J=8.0 Hz, 1.6 Hz, 1H), 7.97 (d, J=1.6 Hz, 1H), 8.07 (d, J=8.0 Hz, 1H), 12.03 (br, 1H).
- A mixture of above product (1.22g, 3.5 mmol), LiOH (1.46g, 34.9 mmol) in THF/H2O (10mL /10 mL) was stirred at room temperature overnight. After evaporation, the mixture was adjusted to pH 1∼2 with 1M HCl and extracted with ethyl acetate. The combined organic layers were washed with water and brine, evaporated in vacuo to afford compound 7002 as a white solid (1.00 g, 85% yield). LCMS: m/z 334.0 [M-1]-. 1H NMR (400 MHz, DMSO-d6): δ 1.32 (s, 1H), 7.90 (dd, J=8.0 Hz, 1.6 Hz, 1H), 7.94 (d, J=1.6 Hz, 1H), 8.02 (d, J=8.4 Hz, 1H), 11.99 (br, 1H).
- A mixture of compound 7002 (328 mg, 1.0 mmol), 1-8 (100 mg, 0.5 mmol), HATU (559 mg, 1.5 mmol), DIPEA (253 mg, 2.0 mmol) in DMF (5 mL) was stirred at room temperature overnight. The mixture was quenched with saturated sodium bicarbonate and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4. The crude product was purified by column chromatography (dichloromethane / ethyl acetate: 2/1) to afford compound 7003 as a white solid (270 mg, ∼100% yield). LCMS: m/z 522.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.36 (s, 9H), 7.44-7.47 (m, 1H), 7.59 (d, J=8.8 Hz, 1H), 7.70 (d, J=8.0 Hz, 1H), 7.76 (dd, J=8.8 Hz, J=2.4 Hz, 1H), 7.91-7.98 (m, 4H), 8.01 (d, J=2.4 Hz, 1H), 8.71 (d, J=4.4 Hz, 1H), 10.93 (s, 1H), 11.98 (br, 1H).
- A mixture of 7003 (270 mg, 0.5 mmol) in TFA (5 mL) was stirred at room temperature for 2 h. After evaporation, the mixture was quenched with saturated NaHCO3 and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4, evaporated in vacuo to afford compound 7004 as a white solid (180 mg, 84% yiled). LCMS: m/z 422.1 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 7.43-7.47 (m, 1H), 7.58 (d, J=8.8 Hz, 1H), 7.64 (s, 2H), 7.69 (d, J=8.0 Hz, 1H), 7.75 (dd, J=8.8 Hz, 2.4 Hz, 1H), 7.82-7.88 (m, 2H), 7.91-7.96 (m, 2H), 8.01 (d, J=2.4 Hz, 1H), 8.71 (d, J=4.8 Hz, 1H), 10.88 (s, 1H).
- A mixture of compound 7004 (460 mg, 1.1 mmo), 4005 (203 mg, 1.1 mmol), cesium carbonate (533 mg, 1.6 mmol), Xantphos (20 mg, 0.03 mmol), Pd2(dba)3 (20 mg, 0.02 mmol) in 1,4-dioxane (15 mL) was heated at 85°C overnight. After cooling to room temperature, the reaction mixture was quenched with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4. The crude product was purified by column chromatography (dichloromethane / ethyl acetate: 2/1) to afford compound 7005 as a pale yellow solid (300 mg, 48% yield). LCMS: m/z 572.1 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.29 (t, J=7.2 Hz, 3H), 4.29 (q, J=7.2 Hz, 2H), 7.43-7.46 (m,1H), 7.57 (d, J=8.8 Hz, 1H), 7.67-7.73 (m, 2H), 7.84 (d, J=8.0 Hz, 1H), 7.90-7.94 (m, 1H), 7.99 (d, J=2.8 Hz, 1H), 8.06 (dd, J=8.0 Hz, 1.6 Hz, 1H), 8.10 (d, J=1.6 Hz, 1H), 8.69-8.71 (m, 1H), 8.96 (s, 2H), 9.05 (s, 1H).
- Compound 7005 (300 mg, 0.5 mmol) was taken into NH2OH methanolic solution (10 mL, 1.79 M). The resulting mixture was stirred at room temperature for 1 h. The reaction mixture was adjusted pH to 7∼8 with acetic acid and concentrated. The residue was triturated with water and filtered. The solid was suspended in dichloromethane and stirred at room temperature overnight and filtered. The collected solid was dried in vacuo to afford compound 265 as a white solid (60 mg, 21% yield). M.p: 215∼220°C. LCMS: m/z 559.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 7.42-7.46 (m, 1H), 7.56 (d, J=8.8 Hz, 1H), 7.64 (d, J=8.0 Hz, 1H), 7.68 (d, J=8.0 Hz, 1H), 7.73 (dd, J=8.8 Hz, 2.8 Hz, 1H), 7.85 (d, J=8.0 Hz, 1H), 7.90-7.94 (m, 2H), 8.01 (d, J=2.4 Hz, 1H), 8.53 (s, 2H), 8.70 (d, J=4.4 Hz, 1H), 8.93 (s, 1H), 10.79 (s, 1H), 10.96 (br, 1H).
- A mixture of 3-nitrobenzaldehyde (7.0 g, 46.3 mmol), ethylene glycol (14.4 g, 231.5 mmol), p-toluenesulfonic acid (0.79 g, 4.6 mmol) in toluene (80 mL) was heated at reflux overnight. After cooling to room temperature, the reaction mixture was quenched with aqueous sodium bicarbonate and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous Na2SO4 and evaporated in vacuo to afford compound 8002 as a yellow oil (8.6 g, 95%). 1H NMR (400 MHz, CDCl3): δ 4.05-4.11 (m, 2H), 4.12-4.16 (m, 2H), 5.89 (s, 1H), 7.56 (t, J=8.0 Hz, 1H), 7.81 (d, J=7.6 Hz, 1H), 8.21-8.24 (m, 1H), 8.35-8.36 (m, 1H).
- A mixture of 8002 (215 mg, 1.1 mmol), Pd/C (100 mg, 50%) in ethanol (10 mL) was stirred under hydrogen at room temperature overnight. The mixture was filtered and the filtrate was evaporated in vacuo. The crude product was purified by column chromatography (hexanes/ethyl acetate: 8/1) to afford compound 8003 as a yellow solid (100 mg, 55%). LCMS: m/z 166.1 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 3.86-4.03 (m, 4H), 5.10 (s, 1H), 5.55 (s, 1H), 6.54 (d, J=7.6 Hz, 2H), 6.63 (s, 1H), 6.99 (t, J=7.6 Hz, 1H).
- A mixture of 8003 (1.12 g, 6.8 mmol), 3003 (2.21 g, 8.2 mmol), anhydrous pyridine (1.3 g, 16.4 mmol) in anhydrous CH2Cl2 (10 mL) was heated at reflux for 30 min. The mixture was quenched with water and adjusted pH to 2-3 with HCl (1.0M). The resulting mixture was extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate and evaporated in vacuo. The crude product was purified by column chromatography (hexanes/ethyl acetate: 10/1) to afford compound 8004 as a yellow oil (2.16 g, 80%). LCMS: m/z 398.1 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 3.87 (s, 3H), 3.91-3.93 (m, 2H), 3.94-3.96 (m, 2H), 5.66 (s, 1H), 7.10-7.17 (m, 3H), 7.29 (t, J=8 Hz, 1H). 7.77 (dd, J=8.0 Hz, 1.6 Hz, 1H), 7.85 (d, J=1.6 Hz, 1H), 7.96 (d, J=8.0 Hz, 1H), 10.58 (s, 1H).
- LiOH (264 mg, 6.25 mmol) was added into a solution of 8004 (500 mg, 1.25 mmol) in THF/H2O (5 mL/5 mL). The mixture was stirred at room temperature overnight. The mixture was quenched with HCl (1 M) and adjusted pH to 1-2. The resulting mixture was extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate and evaporated in vacuo to afford compound 8005 as a red solid (450 mg, 94%). LCMS: m/z 384.1 [M+1]+. 1H NMR (400 MHz, DMSO-d6): 3.91-3.93 (m, 2H), 3.95-3.97 (m, 2H), 5.67 (s, 1H), 7.11-7.18 (m, 3H), 7.30 (t, J=8.0 Hz, 1H). 7.74 (dd, J=8.4 Hz, 2.0Hz, 1H), 7.83 (d, J=1.6 Hz, 1H), 7.92 (d, J=8.4 Hz, 1H), 10.57 (s, 1H).
- A mixture of 8005 (284 mg, 0.74 mmol), 1-8 (100 mg, 0.49 mmol), HATU (373 mg, 0.98 mmol), DIPEA (159 mg, 1.23 mmol) in anhydrous DMF (5 mL) was stirred overnight. The mixture was quenched with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate and evaporated in vacuo. The crude product was purified by column chromatography (hexanes/ethyl acetate: 5/1) to afford compound 8006 as a yellow solid (248 g, 88%). LCMS: m/z 570.2 [M+1]+.
- A mixture of 8006 (120 mg, 0.18 mmol) and HCl (5 mL) in THF/H2O (5 mL/5 mL) was refluxed for 1 h. The mixture was quenched with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine until pH 7. The organic layer was dried over anhydrous Na2SO4 and evaporated in vacuo. The crude product was purified by column chromatography (hexanes/ethyl acetate: 5/1) to afford compound 8007 as a yellow solid (90 mg, 82%). LCMS: m/z 526.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): 7.42-7.50 (m, 2H), 7.53-7.57 (m, 2H), 7.60-7.72 (m, 5H), 7.81-7.86 (m, 2H), 7.91 (dd, J=7.6Hz, 1.6Hz, 1H), 7.94 (br, 1H), 7.96 (d, J=2.4Hz, 1H), 8.70 (d, J=4.8 Hz, 2H), 9.94 (s, 1H), 10.84 (s, 1H), 10.91 (s, 1H).
- A mixture of 8007 (110 mg, 0.21 mmol), methyl-(dimethoxyphosphoryl) acetate (58 mg, 0.32 mmol) and sodium methoxide (34 mg, 0.63 mmol) in anhydrous DMF was stirred at room temperature overnight. The mixture was quenched with HCl (1 M) and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over anhydrous sodium sulfate and evaporated in vacuo. The crude product was purified by column chromatography (CH2Cl2/ethyl acetate: 6/1) to afford compound 8008 as a yellow solid (45 mg, 37%). LCMS: m/z 582.2[M+1]+. 1H NMR (400 MHz, DMSO-d6): 3.72 (s, 3H), 6.52 (d, J=16.4 Hz, 1H), 7.19 (d, J=8.4 Hz, 1H), 7.34 (t, J=7.2 Hz, 1H), 7.41-7.49 (m, 3H), 7.55-7.61 (m, 2H), 7.66-7.72 (m, 2H), 7.80-7.86 (m, 2H), 7.90 (dd, J=8.0 Hz, 2.0 Hz, 1H), 7.93-7.96 (m, 2H), 8.70 (d, J=4.4 Hz, 1H), 10.71 (s, 1H), 10.83 (s, 1H).
- Compound 8008 (45 mg, 0.077 mmol) was taken into NH2OH methanolic solution (10 mL, 1.79 M). The resulting mixture was stirred at room temperature for 1 h. The reaction mixture was adjusted pH to 7∼8 with acetic acid and concentrated. The residue was triturated with water and filtered. The collected solid was purified with prep-HPLC to afford compound 254 as an off-white solid (13 mg, 31% yield). M.p.: 217∼221°C LCMS: m/z 583.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): 6.41 (d, J=15.6 Hz, 1H), 7.12 (d, J=7.6, 1H), 7.18 (s, 1H), 7.25-7.38 (m, 4H), 7.42-7.45 (m, 1H), 7.56 (d, J=8.8 Hz, 1H), 7.66-7.72 (m, 2H), 7.80-7.90 (m, 1H), 7.90-7.97 (m, 3H), 8.70 (d, J=4.4 Hz, 1H), 10.71 (s, 1H), 10.80 (br, 1H), 10.84 (s, 1H).
- To a mixture of tert-butyl 4-(aminomethyl)piperidine-1-carboxylate (570 mg, 2.6 mmol) and 3003 (600 mg, 2.2 mmol) in dichloromethane (10 mL) was added triethylamine (0.6 mL, 4.4 mmol). The mixture was stirred at room temperature overnight. The reaction mixture was diluted with ethyl acetate and washed with 1N HCl. The ethyl acetate layer was concentrated in vacuo and purified by column chromatography (hexanes: ethyl acetate = 5:1) to give compound 9001 as a white solid (610 mg, 62% yield). LCMS: m/z 445.1 [M-1]-. 1H NMR (400 MHz, DMSO-d6): δ 0.87-0.9 (m, 2H), 1.37 (s, 9H), 1.49-1.60 (m, 3H), 2.62-2.70 (m, 4H), 3.86 (br, 2H), 3.90 (s, 3H), 7.84 (dd, J=8.0 Hz, 1.6 Hz, 1H), 7.91 (d, J=1.6 Hz, 1H), 7.94 (t, J=5.6 Hz, 1H), 8.01 (d, J=8.0 Hz, 1H).
- To the solution of 9001 (610 mg, 1.4 mmol) in THF (16 mL) and H2O (8 mL) was added LiOH (286 mg, 12.0 mmol). The mixture was stirred at room temperature for 3 h. The reaction mixture was acidified to pH=5 with 1N HCl and extracted with ethyl acetate. The ethyl acetate layer was dried over Na2SO4, filtered and concentrated in vacuo to give compound 9002 as a white solid (530 mg, 90% yield). 1H NMR (400 MHz, DMSO-d6): δ 0.89-0.98 (m, 2H), 1.37 (s, 9H), 1.52-1.61 (m, 3H), 2.65-2.69 (m, 4H), 3.89 (d, J=12.0 Hz, 2H), 7.80 (d, J=8.0 Hz, 1H), 7.87 (s, 1H), 7.91 (t, J=6.0 Hz, 1H), 7.95 (d, J=8.0 Hz, 1H).
- To a mixture of 9002 (530 mg, 1.2 mmol) and 1-8 (200 mg, 1.0 mmol) in DMF (2.0 mL) was added DIPEA (300 mg, 2.3 mmol) followed by HATU (733 mg, 1.9 mmol). The resulting solution was stirred at room temperature overnight. The reaction mixture was poured into water and extracted with ethyl acetate. The organic phase was washed with NH4Cl solution, water and brine, dried over Na2SO4 and concentration in vacuo. The crude solid was purified by column chromatography eluted with ethyl acetate:dichloromethane = 3:1 to give compound 9003 as a yellow solid (120 mg, 16%). LCMS: m/z 619.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 0.90-1.09 (m, 2H), 1.38 (s, 9H), 1.52-1.63 (m, 3H), 2.66-2.69(m, 4H), 3.90 (d, J=10.8Hz, 2H), 7.40-7.47 (m, 1H), 7.58-7.60 (m, 1H), 7.68 (d, J=7.6 Hz, 1H), 7.75 (dd, J=8.8 Hz, 2.0 Hz, 1H), 7.84 (s, 2H), 7.90-7.92 (m, 3H), 8.01 (d, J=2.0 Hz, 1H), 8.65, 8.70 (2 doublet peaks, J=5.2Hz, 1H), 10.87 (s, 1H).
- To the solution of 9003 (120 mg, 0.2 mmol) in dichloromethane (1 mL) was added TFA (1 mL). The mixture was stirred at room temperature for 1h. The reaction solution was concentrated. The residue was dissolved with ethyl acetate and washed with NaHCO3 solution. The ethyl acetate layer was dried over Na2SO4, filtered and concentrated in vacuo to give compound 9004 as a yellow solid (100 mg, 99% yield). LCMS: m/z 519.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.10-1.15 (m, 2H), 1.57 (br, 1H), 1.69 (d, J= 13.2Hz, 2H), 2.60-2.69 (m, 4H), 3.10 (d, J=12.0 Hz, 2H), 7.43 (t, J=6.0 Hz, 1H), 7.59 (d, J=8.8 Hz, 1H), 7.69 (d, J=8.0 Hz, 1H), 7.75 (d, J=8.4 Hz, 1H), 7.85 (s, 2H), 7.91-7.94 (m, 2H), 8.01 (s, 1H), 8.71 (d, J=4.4 Hz, 1H), 10.88 (s, 1H).
- To the solution of 9004 (100 mg, 0.2 mmol) and Et3N (0.2 mL, 1.4 mmol) in DCM (2 mL) was added 4005 (39 mg, 0.2 mmol). The resulting mixture was stirred at room temperature for 1 h. The reaction mixture was diluted with ethyl acetate and washed with 1N HCl. The ethyl acetate layer was dried over Na2SO4, filtered and concentrated to give compound 9005 as a yellow solid (135 mg, 96% yield). LCMS: m/z 669.3 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.10-1.18 (m, 2H), 1.29 (t, J=7.2Hz, 3H), 1.76 (d, J-6.0Hz, 2H), 2.68-2.72 (m, 2H), 2.94-3.00 (m, 2H), 4.27 (q, J=6.8Hz, 2H), 4.72 (d, J=12.8 Hz, 2H), 7.45 (t, J=6.0 Hz, 1H), 7.59 (d, J=8.8 Hz, 1H), 7.70 (d, J=7.6 Hz, 1H), 7.75 (d, J=8.8 Hz, 1H), 7.86 (s, 2H), 7.92-8.01 (m, 3H), 8.71 (d, J=4.8 Hz, 1H), 8.77 (s, 2H), 9.28 (br, 1H), 10.89 (s, 1H).
- Compound 9005 (135 mg, 0.2 mmol) was taken into NH2OH methanolic solution (1.79M, 10mL). The resulting mixture was stirred in sealed tube at room temperature for 3 h. TLC showed reaction complete. Acetic acid was added to adjust pH to 6∼7 followed by the addition of ice-water. The reaction mixture was filtered, washed with water. The crude product was purified by prepared HPLC to afford compound 90 as a white solid (30mg, 22% yield). M.p.: 172-173°C. LCMS: m/z 656.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.04-1.07 (m, 2H), 1.73-1.76 (m, 3H), 2.70-2.72 (m, 2H), 2.89-2.95 (m, 2H), 4.69 (d, J=12.8 Hz, 2H), 7.45 (t, J=6.0 Hz, 1H), 7.59 (d, J=8.8 Hz, 1H), 7.70 (d, J=8.0 Hz, 1H), 7.75 (d, J=8.4 Hz, 1H), 7.86 (s, 2H), 7.91-7.95 (m, 2H), 8.02 (s, 1H), 8.65 (s, 2H), 8.71 (d, J=4.4 Hz, 1H), 8.99 (br, 1H), 10.88 (s, 1H), 10.99 (br, 1H).
- To a mixture of ethyl 4-(2-aminoethoxy)benzoate (330 mg, 1.6 mmol) and 3003 (400 mg, 1.6 mmol) in dichloromethane (10 mL) was added triethylamine (0.6 mL, 4.4 mmol). The mixture was stirred at room temperature overnight. The reaction mixture was diluted with ethyl acetate and washed with 1N HCl. The ethyl acetate layer was concentrated in vacuo and purified by column chromatography (dichloromethane: MeOH = 50:1) to give compound 1001 as a yellow solid (270 mg, 40% yield). LCMS: m/z 428.0 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.30 (t, J=7.2 Hz, 3H), 3.20-3.22 (m, 2H), 4.04 (t, J=4.8 Hz, 2H), 4.27 (q, J=7.2Hz, 2H), 6.93 (d, J=8.8 Hz, 2H), 7.66 (d, J=8.4 Hz, 1H), 7.71 (d, J=8.0 Hz, 1H), 7.77 (s, 1H), 7.87 (d, J=8.4 Hz, 2H), 8.12 (br, 1H).
- To a mixture of compound 1001 (270 mg, 0.6 mmol) and 1-8 (108 mg, 0.5 mmol) in DMF (2.0 mL) was added DIPEA (164 mg, 1.3 mmol) followed by HATU (289 mg, 0.8 mmol). The resulting solution was stirred overnight at room temperature. The reaction mixture was poured into water and extracted with ethyl acetate. The organic phase was washed with 1N HCl solution, water, brine and dried over Na2SO4. The crude solid was purified by column chromatography eluted with dichloromethane/MeOH = 100/1 to give compound 1002 as a yellow solid (130 mg, 33%). LCMS: m/z 614.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 1.28 (t, J=6.8Hz, 3H), 3.24-3.26 (m, 2H), 4.06- 4.09 (m, 2H), 4.25 (q, J=6.8Hz, 2H), 6.89 (d, J=8.4 Hz, 2H), 7.43-7.47 (m, 1H), 7.59 (d, J=8.8 Hz, 1H), 7.70 (d, J=7.6 Hz, 1H), 7.80-7.95 (m, 7H), 8.01 (s, 1H), 8.24-8.27 (m, 1H), 8.70-8.72 (d, J=4.0 Hz, 1H), 10.86 (s, 1H).
- Compound 1002 (130 mg, 0.2 mmol) was taken into NH2OH methanolic solution (1.79M, 10mL). The resulting mixture was stirred in sealed tube at room temperature for 3 h. TLC showed reaction complete. 1N HCl was added to adjust pH to 6∼7 followed by the addition of ice-water. The reaction mixture was filtered, washed with water. The crude product was purified by prep-HPLC to afford compound 266 as a yellow solid (41mg, 32% yield). mp: 138-139°C. LCMS: m/z 601.2 [M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 3.23 (t, J=4.0 Hz, 2H), 4.06 (t, J=4.8 Hz, 2H), 6.92 (d, J=8.4 Hz, 2H), 7.45 (t, J=6.4 Hz, 1H), 7.58 (d, J=8.8 Hz, 1H), 7.68-7.76 (m, 4H), 7.86-7.96 (m, 4H), 8.02 (s, 1H), 8.19 (d, J=4.0Hz, 1H), 8.71 (d, J=4.4 Hz, 1H), 8.89 (br, 1H), 10.88 (s, 1H), 11.05 (s, 1H).
- To a stirred solution of 3,6-dibromo-2-methylpyridine (2.0 g, 8.0 mmol) in dry THF (20 mL) was added n-BuLi (1.6M, 6.0 mL) dropwise at -78°C. When the addition was complete the reaction was continued for 1 h. Dichloromethane (642.4 mg, 8.8 mmol) was added at -78°C and continued to stir for 1 h. The reaction was allowed to warm to room temperature followed by addition of HCl (1M, 10 mL). The mixture was extracted with ethyl acetate. The organic layer was washed with brine and concentrated. The crude product was purified by column chromatography eluted with dichloromethane/ methanol (30:1) to afford compound 1102 as a white solid (1.4 g, 90%).
- To a stirred solution of compound 1102 (1.4 g, 6.7 mmol) in acetone (20 mL) was added Jones reagent (2.67M, 5.2ml) at 0°C. The reaction mixture was warmed to room temperature and stirred for 30 min. Saturated NaHCO3 solution was added to adjust pH=5-6. The mixture was extracted with ethyl acetate. The organic layer was washed with brine and concentrated. The crude product was purified by column chromatography eluted with ethyl acetate/ hexanes (1:8) to afford compound 1103 as a white solid (1.0 g, 66%). 1H NMR (400 MHz, CDCl3): δ 2.87 (s, 3H), 7.46 (d, J=8.4Hz, 1H), 8.15 (d, J=8.4Hz, 1H).
- Compound 1103 (1.0 g, 4.6 mmol) was added to a mixture of compound 2-3 (1.2 g, 4.6mmol), HATU (3.5 g, 5.5 mmol) and Et3N (19 mL, 13.8 mmol) in dichloromethane (30 mL). The reaction mixture was stirred at room temperature overnight. The mixture was quenched with water, extracted with dichloromethane, concentrated. The crude product was purified by column chromatography eluted with hexanes/ethyl acetate (1:1) to afford compound 1104 as a white solid (1.0 g, 50%). LCMS: m/z 443.1[M+1]+.
- To a stirred solution of compound 1104 (500 mg, 1.13 mmol) in i-PiOH (10 mL) was added tert-butyl 4-(aminomethyl)piperidine-1-carboxylate (930 mg, 4.4 mmol) and K2CO3 (1.2 g, 8.7 mmol). The mixture was stirring under 100°C for 48 h. The mixture was quenched with water and extracted with dichloromethane. The crude product was purified by column chromatography eluted with hexane/ethyl acetate (1:1) to afford compound 1105 as a yellow solid (250 mg, 38% yield). LCMS: m/z 575.4[M+1]+ 1H NMR (400 MHz, DMSO-d6): δ 1.06-1.12 (m, 2H),1.45 (s, 9H), 1.73-1.76 (m, 3H), 2.50 (s, 3H), 2.73-2.75 (m, 2H), 3.25 (s, 2H), 3.98-4.02 (m, 2H), 6.43 (d, J= 8.8Hz,1 H), 7.02-7.05 (m, 1H), 7.25-7.34 (m, 2H), 7.63-7.66 (m, 3H), 7.76 (d, J= 7.6Hz, 1H), 7.92 (d, J= 8.8Hz, 2H), 8.41 (s, 1H), 10.28 (s, 1H),12.72 (s , 1H).
- To a stirred solution of compound 1105 (70 mg, 0.12 mmol) in dichloromethane was added TFA (3 mL). The mixture was stirred for 30 min. The reaction solution was concentrated and the residue was dissolved in dichloromethane (10 mL). To the solution was added 4005 (31 mg, 0.14 mmol) and Et3N (1mL). The resulting mixture was stirred at room temperature for 30 min and concentrated. The residue was purified by column chromatography eluted with hexanes/ethyl acetate (1:1) to afford compound 1106 as a yellow solid (70 mg, 94%). LCMS: m/z 611.3 [M+1]+ 1H NMR (400 MHz, DMSO-d6): δ 1.08-1.14 (m, 2H),1.72-2.02 (m, 4H), 2.45 (s, 3H), 2.94-3.05 (m, 3H), 3.80 (s, 3H), 4.77 (d, J= 13.2Hz, 2H), 6.39 (d, J= 8.8Hz ,1H), 7.03 (d, J= 5.2Hz, 1H), 7.23-7.27 (m, 2H), 7.58-7.60 (m, 2H), 7.71 (d, J= 7.2Hz ,1H), 7.87 (d, J= 7.6Hz, 2H), 8.35 (s, 1H), 8.77 (s, 2H), 10.23 (s, 1H), 12.69 (s, 1H).
- Compound 1106 (70 mg, 0.11 mmol) was taken into NH2OH methanolic solution (10 mL, 1.79 M). The mixture was stirred at room temperature for 40 min. The reaction mixture was adjusted pH to 8-9 with acetic acid and concentrated. The residue was purified by HPLC to afford the titled compound 91 as a white solid (37 mg, 53%). M.p.: 194-196°C. LCMS: m/z 612.3[M+1]+ 1H NMR (400 MHz, DMSO-d6): δ 1.13-1.18 (m, 2H), 1.78-2.00 (m, 3H), 2.45 (s, 3H), 2.91- 2.98 (m, 2H), 3.22 (s, 2H), 4.73 (d, J= 12.4Hz, 2H), 6.38 (d, J= 8.4Hz ,1 H), 7.00-7.02 (m, 1H), 7.24-7.26 (m, 2H), 7.57-7.60 (m, 3H), 7.69-7.71 (d, J= 7.2Hz ,1 H), 7.86 (d, J= 8.8Hz ,1 H), 8.35 (s, 1H), 8.65 (s, 2H), 8.97 (br, 1H),10.23 (s, 1H), 10.98 (br, 1H), 12.68 (s, 1H).
- To a stirred solution of dimethyl 5-methoxyisophthalate (1.0 g, 4.5 mmol) in THF (10 mL) was added DIBAL-H (6.6 mL, 6.6 mmol). The reaction mixture was stirred for overnight at room temperature. The reaction mixture was diluted with ethyl acetate and washed with water and brine. The organic phase was dried over Na2SO4 and concentrated. The crude product was purified by column chromatography eluted with hexanes/EA (2:1) to afford compound 1202 as a yellow solid (600 mg, 68% yield). LCMS: m/z 197.1[M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 3.80 (s, 3H), 3.85 (s, 3H), 4.53 (d, J=6.0 Hz, 2H), 5.35 (t, J=5.8 Hz, 1H), 7.15 (s, 1H), 7.31 (s, 1H), 7.54 (s, 1H).
- To a stirred solution of compound 1202 (800 mg, 4.0 mmol) in dichloromethane (10 mL) was added PBr3 (0.4 mL, 4.3 mmol). The reaction mixture was stirred for 1 h at room temperature. The reaction was diluted with ethyl acetate and washed with water and brine. The organic phase was dried over Na2SO4 and concentrated. The crude product was purified by column chromatography eluted with hexanes/ethyl acetate (5:1) to obtain compound 1203 as a yellow oil. (640 mg, 61 % yield). 1H NMR (400 MHz, CDCl3): δ 3.85 (s, 3H), 3.92 (s, 3H), 7.12 (br, 1H), 7.49 (br, 1H), 7.65 (br, 1H).
- To a stirred solution of compound 1203 (640 mg, 2.5 mmol) in DMF (5 mL) was added NaN3 (1.1 g 16.9 mmol). The reaction mixture was stirred at room temperature for 2 h. The reaction solution was diluted with ethyl acetate and washed with water and brine. The organic phase was dried over Na2SO4 and concentrated. The crude product was purified by column chromatography eluted with hexanes/ethyl acetate (5:1) to afford compound 1204 as a yellow oil (500 mg, 91% yield). LCMS: m/z 263.2[M+1+41]+.
- To a stirred solution of compound 1204 (500 mg, 2.3 mmol) in THF (10 mL) was added PPh3 (650 mg, 2.5 mmol) and stirred for 30 min. Water (100 mg, 5.5 mmol) was added. The mixture was warmed to 60°C and stirred for 2 h. The reaction mixture was diluted with ethyl acetate and washed with water and brine. The organic phase was dried over Na2SO4 and concentrated. The crude product was purified by column chromatography eluted with dichloromethane/MeOH (50:1) to afford compound 1205 as a yellow oil (300 mg, 68% yield). LCMS: m/z 196.1[M+1]+.
- Compound 1205 (300 mg, 1.5 mmol) was added to a mixture of LiOH (180 mg, 7.5 mmol) in EtOH (2 mL) and H2O (2 mL). The reaction mixture was stirred at room temperature for 3 h. The reaction mixture was adjusted pH to 6 with 2N HCl. The mixture was concentrated and directly used to next step without further purification.
- To a stirred solution of 1206 (200 mg, 1.0 mmol) and Et3N (300 mg, 3.0 mmol) in dichloromethane (5 mL) was added 4005 (176 mg, 1.0 mmol). The reaction mixture was stirred at room temperature for 1 h. The reaction solution was diluted with ethyl acetate and washed with water and brine. The organic phase was dried over Na2SO4, then concentrated. The crude product was purified by column chromatography eluted with dichloromethane/MeOH (50:1) to afford compound 1207 as a yellow solid (110 mg, 31% yield). LCMS: m/z 318.2[M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 3.78 (s, 3H), 3.79 (s, 3H), 4.60 (d, J=6.4 Hz, 2H), 7.13 (s, 1H), 7.31 (s, 1H), 7.49 (s, 1H), 8.67 (t, J=6.0 Hz, 1H), 8.75 (s, 2H).
- To a stirred solution of compound 1207 (110 mg, 0.3 mmol), 2-3 (90 mg, 0.3 mmol) and DIPEA (90 mg, 0.7 mmol) in DMF was added HATU (160 mg, 0.4 mmol). The reaction mixture was stirred at room temperature overnight. The reaction mixture was diluted with ethyl acetate and washed with water and brine. The organic phase was dried over Na2SO4 and concentrated. The crude product was purified by column chromatography eluted with hexanes/ethyl acetate (1:1) to afford compound 1208 as a yellow solid (60 mg, 30% yield). LCMS: m/z 586.3[M+1]+.
- Compound 1208 (70 mg, 0.1 mmol) was taken into NH2OH methanolic solution (10 mL, 1.79 M). The mixture was stirred at room temperature for 40 min. The reaction mixture was adjusted pH to 8-9 with acetic acid and concentrated. The residue was purified by prep-HPLC to afford the titled compound 258 as a yellow solid (35 mg, 50%). M.p.: 158-159°C. LCMS: m/z 587.3[M+1]+. 1H NMR (400 MHz, DMSO-d6): δ 2.93 (s, 6H), 3.82 (s, 3H), 4.60 (d, J=6.0 Hz, 2H), 6.78-6.97 (m, 2H), 7.10 (s, 1H), 7.41 (s, 1H), 7.49-7.52 (m, 2H), 7.58 (d, J=8.8 Hz, 1H), 7.94 (dd, J=8.8, 2.8 Hz, 1H), 8.30 (t, J=6.2 Hz, 1H), 8.37 (br, 1H), 8.61 (s, 2H), 8.94 (br, 1H), 10.42 (s, 1H), 10.98 (br, 1H), 12.17, 12.30 (two single peaks, 1H).
- To a solution of 1203 (150 mg, 0.6 mmol) in DMF (3 mL) was added methylamine methanol solution (2.5 mL). The reaction mixture was stirred at room temperature for 10 min. Water (10 mL) was added to the reaction mixture and the resulting reaction mixture was extracted with ethyl acetate (10 mL x 2). The combined organic layers were washed with water. The organic phase was dried over Na2SO4, filterted and evaporated to give product 1301 as light yellow oil (100 mg, 83%). LCMS: m/z 210.1 [M+1]+. 1H NMR (400 MHz, CDCl3): δ 2.45 (s, 3H), 3.77 (s, 2H), 3.85 (s, 3H), 3.92 (s, 3H), 7.10 (s, 1H), 7.45 (s, 1H), 7.59(s, 1H).
- (Boc)2O (154 mg, 0.7 mmol), NEt3 (101 mg, 1.0 mmol) and DMAP (6 mg, 0.05 mmol) were added to a solution of compound 1301 (100 mg, 0.5 mmol) in anhydrous dichloromethane (10 mL). The reaction mixture was stirred at room temperature for 2 h until TLC indicated that compound 1301 had been consumed. The reaction mixture was concentrated and the residue was purified by column chromatography eluted with CH2Cl2: MeOH (10:1) to afford the titled compound 1302 as light yellow oil (110 mg, 75%).
- NaOH aqueous solution (4.0M, 10 mL) was added to a solution of compound 1302 (160 mg, 0.5 mmol) in methanol (5 mL). The solution was stirred at room temperature for 2 h. The reaction mixture was acidified to pH 3∼4 with conc. HCl solution and extracted with ethyl acetate (10 mL x 2) and dried over Na2SO4. The title compound 1303 was obtained as a yellow solid after concentration (100 mg, 66%). 1H NMR (400 MHz, CDCl3): δ 1.42 (s, 9H), 2.78 (s, 3H), 3.78 (s, 3H), 4.37 (s, 2H), 6.96 (s, 1H), 7.44 (s, 1H), 7.50 (s, 1H).
- Compound 2-3 (97 mg, 0.3 mmol) was added to a solution of compound 1303 (100 mg, 0.3 mmol), HATU (137 mg, 0.4 mmol) and DIPEA (78 mg, 0.6 mmol) in DMF (4 mL). The reaction mixture was stirred at room temperature overnight. The mixture was diluted with water (10 mL) and extracted with ethyl acetate (10 mL x 2). The organic layer was washed with water and dried over Na2SO4. The titled compound 1304 was obtained as yellow solid after concentration (150 mg, 89%). LCMS: m/z 564.3 [M+1]+.
- Compound 1304 (150 mg) was dissolved in trifluoroacetic acid (10 mL). The reaction mixture was stirred at room temperature for 1 h. The reaction was then concentrated to remove most trifluoroacetic acid. The residue was adjusted to pH 7∼8 with saturated aqueous NaHCO3 solution and extracted with ethyl acetate. The organic layer was washed with brine and dried over Na2SO4 and concentrated. The crude product was purified by column chromatography eluted with CH2Cl2: MeOH (20:1) to afford the titled compound 1305 as a light yellow solid (50 mg, 40%). 1H NMR (400 MHz, CDCl3): δ 2.69 (s, 3H), 3.00 (s, 6H), 3.76 (s, 3H), 3.91 (s, 2H), 6.85 (s, 2H), 6.90 (dd, J=9.2 Hz, 2.4 Hz, 1H), 7.33∼7.38 (m, 2H), 7.52 (d, J=8.8Hz, 1H), 7.58 (s, 1H), 8.06∼8.11 (m, 2H), 9.03 (br, 1H).
- To a solution of compound 1305 (50 mg, 0.1 mmol) in dichloromethane was added compound 4005 (19 mg, 0.1 mmol) and NEt3 (30 mg, 0.3 mmol). The reaction mixture was stirred at room temperature for 2 h. The reaction mixture was washed with water and concentrated to afford the title compound 1306 (90 mg). LCMS: 614.3 [M+1]+. 1H NMR (400 MHz, CDCl3): δ 1.36 (t, J=7.2Hz, 3H), 3.00 (s, 6H), 3.24 (s, 3H), 3.85 (s, 3H), 4.34 (q, J=7.2Hz, 2H), 4.99 (s, 2H), 6.87∼6.92 (m, 2H), 6.98 (s, 1H), 7.32 (s, 2H), 7.47 (d, J=9.2 Hz, 1H), 7.57 (d, J=8.8 Hz, 1H), 8.23∼8.24 (m, 3H), 8.90 (s, 2H).
- Compound 1306 (90 mg, 0.1 mmol) was dissolved in NH2OH methanol solution (20 mL, 1.79M). The mixture was stirred at room temperature for 1h. The reaction mixture was adjusted pH to 8-9 with 2N HCl and evaporated in vacuo. The residue was triturated with water to afford the crude product. The crude product was further purified by prep-HPLC to afford compound 259 as a yellow solid (18 mg, 20%). M.p.: 207-208°C. LCMS: m/z 601.3 [M+1]+. 1H NMR (400MHz, DMSO-d6): δ 2.93 (s, 6H), 3.18 (s, 3H), 3.82 (s, 3H), 4.96 (s, 2H), 6.78∼6.88 (m, 2H), 7.00 (s, 1H), 7.41∼7.51 (m, 3H), 7.57 (d, J=8.4 Hz, 1H), 7.94 (d, J=8.4 Hz, 1H), 8.14 (s, 1H), 8.37 (s, 1H), 8.71 (s, 2H), 8.98 (br, 1H), 10.42 (s, 1H), 11.03 (s, 1H), 12.15 (s, 1H).
- HDAC inhibitory activity was assessed using the Biomol Color de Lys system (AK-500, Biomol, Plymouth Meeting, PA). Briefly, HeLa cell nuclear extracts were used as a source of HDACs. Different concentrations of test compounds were serially diluted in dimethylsulfoxide (DMSO) and added to HeLa cell nuclear extracts in the presence of a colorimetric artificial substrate. Final assay conditions contained 50 mM Tris/Cl, pH 8.0, 137 mM NaCl, 2.7 mM KCl and 1 mM MgCl2. Reactions were carried out at room temperature (25°C) for 1 hour before addition of developer for termination. Relative enzyme activity was measured in the WALLAC Victor II 1420 microplate reader as fluorescence intensity (excitation: 350-380 nm; emission: 440-460 nm). Data were analyzed using GraphPad Prism (v4.0a) with a sigmoidal dose response curve fitting for 1C50 calculation.
- Compounds to be tested were dissolved in DMSO to a concentration of 10 mM, and stored at ∼20°C. To activate the Hedgehog pathway in the assay cells, an octylated (lipid-modified) form of the N-terminal fragment of the Sonic Hedgehog protein (OCT-SHH) was used. This N-terminal SHH fragment is produced bacterially. See, for example, Taylor FR, et art. Biochemistry, 2001, 40: 4359-71.
- Compounds were tested in the "Gli-Luc" assay below, using the cell line 10T1/2 (s12), wherein the cells contain a Hedgehog-responsive reporter construct utilizing Luciferase as the reporter gene. In this way, Hedgehog pathway signaling activity is measured via the Gli-Luc response.
- 10T1/2 (s12) cells were planted in a 96-well micro-titer plate (MTP) at 20,000 cells/well in full medium [DMEM with 10% FBS]. Then plates were placed in the incubator for incubation overnight (O/N), at 37 °C and 5% CO2. After 24 h, the medium was replaced with Luciferase-assay medium (DMEM with 0.5% FBS). Test compounds were thawed and diluted in assay medium at 3:1000 (about 300-fold) resulting in a starting concentration of about 0.0003 uM to 30 uM. Subsequently, 150 ul of each sample was added to the first wells (in The MTP samples were then diluted at 3-fold dilutions to a total of seven wells, ultimately resulting in a regiment of seven dilutions in triplicate, for each compound. Next, the protein ligand OCT-SHH was diluted in Luciferase-assay medium and added to each well at a final concentration of 0.3 µg/ml. Plates were then returned to the incubator for further incubation O/N, at 37°C and 5% CO2. After about 24 h, plates were removed from the incubator and the medium was aspirated/discarded.
- Wells were washed once with assay buffer [PBS + 1 mM Mg2+ and 1 mM Ca2+]. Then 50 µl of assay buffer was added to each well The Luciferase assay reagent was prepared as described by the vendor (LucLite kit from Packard), and 50 µl was added to each well Plates were incubated at room temperature (RT) for about 30 minutes after which the signals were read, again at RT, on a Topcount (Packard).
- Similar assays were performed using human cell lines (specifically, human embryonic palatal mesenchyme cells, modified with the Gli-Luc construct as described above) in a growth medium of MEM/Sodium Pyruvate w/10% FBS, and an assay medium of MEM/Sodium Pyruvate w/0.5% FBS. OCT-SHH was added to reach a final concentration of 1 µg/ml.
- Results of the HDAC inhibition and Hedgehog inhibition assays described in Examples 16 and 17, respectively, are set forth in the table below, which indicates the IC50 determined in each assay as follows: I > 1000 nM; 1000nM ≥ II > 100 nM; 100 nM ≥ III > 10 nM; 10 nM ≥ IV > 1 nM; 1 nM ≥ V.
Compound No. HDAC Hh Reporter assay 1 II II 5 II II 7 II I 23 III II 59 II III 86 III III 90 III IV 91 III III 111 III II 254 II III 258 III III 259 III III 263 III II 265 I 266 II IV SAHA ∼40 nM 477 nM Compound A 17/24/13.1 nM LBH 589 7 nM - Smo is transiently overexpressed in 293T cells, the membranes are harvested and a filtration membrane-competition-binding assay is performed in a 96-well plate with [3H]-Hh-Ag 1.5 added at 2 nM. Membranes are prepared as follows. Briefly, approximately 108 cells are transfected with pCMV6-XL5 constructs bearing human Smoothened (OriGene) using Fugene 6 (Roche). After 48 hours cells are harvested by scraping in PBS, centrifuged at 1,000 × g for 10 minutes, and gently resuspended in around 10 ml of a 50 mM Tris pH 7.5, 250 mM sucrose buffer containing an EDTA-free protease inhibitor cocktail (Roche). This cell suspension is then placed in a nitrogen cavitation device (Parr Instrument Co, Moline, USA) and exposed to nitrogen gas (230 psi) for 10 minutes. Lysed cells are released from the device and centrifuged at 20,000 rpm in an SS34 rotor for 20 minutes at 4°C. Supernatants are discarded and the pellets are resuspended in 10% sucrose, 50 mM Tris pH 7.5, 5 mM MgCl2, 1 mM EDTA solution using three 10-second pulses with a Polytron (Brinkman; Westbury, USA) at a power setting of 12. Using these membranes, filtration binding assays are performed according to standard protocols. Briefly, a test compound is incubated for 1 hour at room temperature in the following binding buffer (50mm Tris 7.5, 5 mM MgCl2, 1 mM EDTA, 0.1% BSA) containing cell membrane lysate, [3H]-Hh-Ag 1.5 and protease inhibitors. After incubation, the reaction is transferred to a 96-well filter plate, vacuum is applied to pull down the reaction buffer, the wells are washed twice and scintillation solution is added. The reactions are read on a Top Count microplate reader to determine the fraction of [3H]-Hh-Ag 1.5 bound to the smoothened containing membrane preparation.
- While this invention has been particularly shown and described with references to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention encompassed by the appended claims.
- The following numbered paragraphs further describe aspects and embodiments of the invention:
- 1. A compound of Formula (I) or Formula (II):
wherein- n is 0 or 1;
- Ring A is an aromatic, saturated or partially unsaturated carbocycle; preferably a monocyclic, bicyclic or polycyclic C3-C12-carbocycle;
- E is substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;
- L is substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;
- Q is substituted or unsubstituted aryl; substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;
- G is substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;
- K is halogen;
- X is absent, -O-, -N(R2)-, -S-, -S(O)-, -S(O)2-, -C(O)-,-C(O)O-, -OC(O)-, -C(O)N(R2)-, - N(R2)C(O)-, -S(O)2N(R2)-, or -N(R2)S(O)2-;
- R2 is hydrogen or aliphatic;
- B is a bond or a linker; and
- D is selected from:
- (a)
- (b)
- (c)
- (d)
- (a)
- 2. The compound of paragraph 1 represented by Formula III or Formula IV:
wherein Ring A, K, E, L, X, B, D, G and Q have the meanings given for these variables in paragraph 1. - 3. The compound of paragraph 1 represented by Formula V or Formula VI:
wherein E, K, L, G, Q, X, B, and D have the meanings given for these variables in paragraph 1. - 4. The compound of paragraph 1 represented by Formula XI:
wherein- one of W1-W5 is C(X-B-D) and the others are each independently N or CR3, provided that no more than three of W1-W5 are N;
- each R3 is independently selected from hydrogen, hydroxy, amino, halogen, alkoxy, alkylamino, dialkylamino, CF3, CN, NO2, sulfonyl, acyl, aliphatic, substituted aliphatic, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocyclic, and substituted heterocyclic; and
- E, X, B and D have the meanings given for these variables in paragraph 1.
- 5. The compound of paragraph 4, wherein E is substituted or unsubstituted pyridyl, or substituted or unsubstituted benzimidazolyl.
- 6. The compound of paragraph 5, wherein E is selected from the groups set forth below:
- 7. The compound of paragraph 5, wherein the group
- 8. The compound of paragraph 1 represented by Formula XII:
wherein- X1-X5 are each independently selected from N and CR3, provided that at least 2 of X1-X5 are CR3;
- each R3 is independently selected from hydrogen, hydroxy, amino, halogen, alkoxy, alkylamino, dialkylamino, CF3, CN, NO2, sulfonyl, acyl, aliphatic, substituted aliphatic, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocyclic, and substituted heterocyclic; and
- Q, D, B and X have the meanings given for these variables in paragraph 1.
- 9. The compound of paragraph 8, wherein Q is substituted or unsubstituted pyridyl, substituted or unsubstituted pyrimidyl or substituted or unsubstituted benzimidazolyl.
- 10. The compound of paragraph 9, wherein Q is selected from the groups below:
- 11. The compound of paragraph 8, wherein
- 12. The compound of paragraph 11, wherein
- 13. The compound of paragraph 1, wherein B is a direct bond,straight chain C1-C10 alkyl, C1-C10 alkenyl, C1-C10 alkynyl, C1-C10 alkoxy, alkoxyC1-C10alkoxy, C1-C10 alkylamino, alkoxyC1-C10alkylamino, C1-C10 alkylcarbonylamino, C1-C10 alkylaminocarbonyl, aryloxyC1-C10alkoxy, aryloxyC1-C10alkylamino, aryloxyC1-C10alkylamino carbonyl, C1-C10-alkylaminoalkylaminocarbonyl, C1-C10 alkyl(N-alkyl)aminoalkyl-aminocarbonyl, alkylaminoalkylamino, alkylcarbonylaminoalkylamino, alkyl(N-alkyl)aminoalkylamino, (N-alkyl)alkylcarbonylaminoalkylamino, alkylaminoalkyl, alkylaminoalkylaminoalkyl, alkylpiperazinoalkyl, piperazinoalkyl, alkylpiperazino, alkenylaryloxyC1-C10alkoxy, alkenylarylaminoC1-C10alkoxy, alkenylaryllalkylaminoC1-C10alkoxy, alkenylaryloxyC1-Cioalkylamino, alkenylaryloxyC1-C10alkylaminocarbonyl, piperazinoalkylaryl, heteroarylC1-C10alkyl, heteroarylC2-C10alkenyl, heteroarylC2-C10alkynyl, heteroarylC1-C10alkylamino, heteroarylC1-C10alkoxy, heteroaryloxyC1-C10alkyl, heteroaryloxyC2-C10alkenyl, heteroaryloxyC2-C10alkynyl, heteroaryloxyC1-C10alkylamino and heteroaryloxyC1-C10alkoxy, in each of which one or more methylenes is optionally interrupted or terminated by -O-, -N(R2)-, -C(O)-, -C(O)N(R2)-, or -C(O)O-.
- 14. The compound of any of paragraphs 1 to 13, wherein D is
- 15. The compound of paragraph 14, wherein Y2 and R32 are absent, Z is N, Wis O, R33 is H and R34 is hydroxy.
- 16. The compound of paragraph 1 represented by Formula XIII:
wherein- M1 is absent, O, S, NR2, C1-C6 alkyl, , C2-C6 alkenyl, C2-C6 alkynyl, aryl, heteroaryl, heterocyclic, SO, SO2 or C=O;
- M2 is absent, C1-C6 alkyl, O, NR2,, heterocyclic, aryl, heteroaryl, or C=O;
- M3 is absent, O, NR2, S, SO, SO2, CO, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, aryl, heteroaryl, or heterocyclic;
- M4 is absent, O, NR2, heteroaryl, heterocyclic or aryl;
- M5 is absent, C1-C8 alkyl, C2-C8 alkenyl, C2-C8alkynyl, heteroaryl, heterocyclic or aryl; and E, L, Z, Y2, R2, R32, R33 and R34 are as defined in paragraph 1.
- 17. The compound of paragraph 1 represented by Formula XIV:
wherein- M1 is absent, O, S, NR2, C1-C6 alkyl, , C2-C6 alkenyl, C2-C6 alkynyl, aryl, heteroaryl, heterocyclic, SO, SO2 or C=O;
- M2 is absent, C1-C6 alkyl, O, NR2, heterocyclic, aryl, heteroaryl, or C=O;
- M3 is absent, O, NR2, S, SO, SO2, CO, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, aryl, heteroaryl, or heterocyclic;
- M4 is absent, O, NR2, heteroaryl, heterocyclic or aryl;
- M5 is absent, C1-C8 alkyl, C2-C8 alkenyl, C2-C8alkynyl, heteroaryl, heterocyclic or aryl; and G, Q, Z, Y2, R2, R32, R33 and R34 are as defined in paragraph 1.
- 18. The compound of paragraph 16 or paragraph 17, wherein Y2 and R32 are absent, Z is N, R33 is H and R34 is hydroxy.
- 19. A pharmaceutical composition comprising a compound of any of paragraphs 1 to 18 and a pharmaceutically acceptable carrier.
- 20. A method of treating a hedgehog associated disease or disorder in a subject in need thereof, the method comprising administering to the subject a therapeutically effective amount of the pharmaceutical composition of paragraph 19.
- 21. The method of paragraph 20, wherein said hedgehog associated disease or disorder is a cell proliferative disorder.
- 22. The method of paragraph 21, wherein said cell proliferative disorder is selected from the group consisting of basal cell carcinoma, neuroectodermal tumors, such as medullablastoma, meningioma, hemangioma, glioblastoma, pancreatic adenocarcinoma, squamous lung carcinoma, chondrosarcoma, breast carcinoma, rhabdomyosarcoma, esophageal cancer, stomach cancer, biliary tract cancer, renal carcinoma, leukemia, lymphoma, myeloma and thyroid carcinoma.
- 23. A method for treating a disease or disorder selected from inflammatory conditions, conditions associated with angiogenesis and as a depilatory in a subject, comprising administering to the subject a therapeutically effective amount of the pharmaceutical composition of paragraph 19.
- 24. The method of paragraph 23, wherein the disease or disorder is selected from psoriasis and macular degeneration.
- 25. A method of treating an HDAC-mediated disease comprising administering to a subject in need thereof a pharmaceutical composition of paragraph 19.
- 26. A method of treating both hedgehog and HDAC associated diseases comprising administering to a subject in need thereof a pharmaceutical composition of paragraph 19.
Claims (15)
- A compound of Formula (II):
whereinn is 0 or 1;Ring A is an aromatic, saturated or partially unsaturated carbocycle; preferably a monocyclic, bicyclic or polycyclic C3-C12-carbocycle;Q is substituted or unsubstituted aryl; substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;G is substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl or substituted or unsubstituted saturated or partially unsaturated heterocyclyl;K is halogen;X is absent, -O-, -N(R2)-, -S-, -S(O)-, -S(O)2-, -C(O)-,-C(O)O-, -OC(O)-, -C(O)N(R2)-, - N(R2)C(O)-, -S(O)2N(R2) or -N(R2)S(O)2-;R2 is hydrogen or aliphatic;B is a bond or a linker; andD is selected from:(a)(d) - The compound of claim 1 represented by Formula XII:
whereinX1-X5 are each independently selected from N and CR3, provided that at least 2 of X1-X5 are CR3;each R3 is independently selected from hydrogen, hydroxy, amino, halogen, alkoxy, alkylamino, dialkylamino, CF3, CN, NO2, sulfonyl, acyl, aliphatic, substituted aliphatic, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocyclic, and substituted heterocyclic; andQ, D, B and X have the meanings given for these variables in claim 1. - The compound of claim 4, wherein Q is substituted or unsubstituted pyridyl, substituted or unsubstituted pyrimidyl or substituted or unsubstituted benzimidazolyl.
- The compound of claim 1, wherein B is a direct bond,straight chain C1-C10 alkyl, C1-C10 alkenyl, C1-C10 alkynyl, C1-C10 alkoxy, alkoxyC1-C10alkoxy, C1-C10 alkylamino, alkoxyC1-C10alkylamino, C1-C10 alkylcarbonylamino, C1-C10 alkylaminocarbonyl, aryloxyC1-C10alkoxy, aryloxyC1-C10alkylamino, aryloxyC1-C10alkylamino carbonyl, C1-C10-alkylaminoalkylaminocarbonyl, C1-C10 alkyl(N-alkyl)aminoalkyl-aminocarbonyl, alkylaminoalkylamino, alkylcarbonylaminoalkylamino, alkyl(N-alkyl)aminoalkylamino, (N-alkyl)alkylcarbonylaminoalkylamino, alkylaminoalkyl, alkylaminoalkylaminoalkyl, alkylpiperazinoalkyl, piperazinoalkyl, alkylpiperazino, alkenylaryloxyC1-C10alkoxy, alkenylarylaminoC1-C10alkoxy, alkenylaryllalkylaminoC1-C10alkoxy, alkenylaryloxyC1-C10alkylamino, alkenylaryloxyC1-C10alkylaminocarbonyl, piperazinoalkylaryl, heteroarylC1-C10alkyl, heteroarylC2-C10alkenyl, heteroarylC2-C10alkynyl, heteroarylC1-C10alkylamino, heteroarylC1-C10alkoxy, heteroaryloxyC1-C10alkyl, heteroaryloxyC2-C10alkenyl, heteroaryloxyC2-C10alkynyl, heteroaryloxyC1-C10alkylamino and heteroaryloxyC1-C10alkoxy, in each of which one or more methylenes is optionally interrupted or terminated by -O-,-N(R2)-, -C(O)-, -C(O)N(R2)-, or -C(O)O-.
- The compound of claim 1 represented by Formula XIV:
whereinM1 is absent, O, S, NR2, C1-C6 alkyl, , C2-C6 alkenyl, C2-C6 alkynyl, aryl, heteroaryl, heterocyclic, SO, SO2 or C=O;M2 is absent, C1-C6 alkyl, O, NR2, heterocyclic, aryl, heteroaryl, or C=O;M3 is absent, O, NR2, S, SO, SO2, CO, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, aryl, heteroaryl, or heterocyclic;M4 is absent, O, NR2, heteroaryl, heterocyclic or aryl;M5 is absent, C1-C8 alkyl, C2-C8 alkenyl, C2-C8alkynyl, heteroaryl, heterocyclic or aryl; and G, Q, Z, R2, Y2, R32, R33, and R34 are as defined in claim 1. - The compound of claim 11, wherein Y2 and R32 are absent, Z is N, R33 is H and R34 is hydroxy.
- A pharmaceutical composition comprising a compound of any of claims 1 to 13 and a pharmaceutically acceptable carrier.
- A compound of any one of claims 1 to 13, or a composition of Claim 14, for use in treating a hedgehog associated disease or disorder, an HDAC associated disease or disorder, or a disease or disorder associated with both hedgehog and HDAC.
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JOP20190024A1 (en) | 2016-08-26 | 2019-02-19 | Gilead Sciences Inc | Substituted pyrrolizine compounds and uses thereof |
EP3759109B1 (en) | 2018-02-26 | 2023-08-30 | Gilead Sciences, Inc. | Substituted pyrrolizine compounds as hbv replication inhibitors |
TW202128675A (en) | 2019-12-06 | 2021-08-01 | 美商維泰克斯製藥公司 | Substituted tetrahydrofurans as modulators of sodium channels |
US11827627B2 (en) | 2021-06-04 | 2023-11-28 | Vertex Pharmaceuticals Incorporated | N-(hydroxyalkyl (hetero)aryl) tetrahydrofuran carboxamides as modulators of sodium channels |
EP4367112A1 (en) | 2021-07-09 | 2024-05-15 | Plexium, Inc. | Aryl compounds and pharmaceutical compositions that modulate ikzf2 |
CN114292226B (en) * | 2021-11-29 | 2023-04-18 | 沈阳药科大学 | Compound with hydroxamic acid structure and preparation method and application thereof |
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